ERROR: $object is not a collection.
· addCollection in User::Identity::Item

ERROR: Cannot append Maildir message in $new to folder $self.
· appendMessage in Mail::Box::Maildir

ERROR: Cannot append message without lock on $folder.
· appendMessages in Mail::Box::MH

ERROR: Cannot append messages to folder file $filename: $!
· appendMessages in Mail::Box::File

ERROR: Cannot build() a delayed header.
· build in Mail::Message::Head::Delayed

ERROR: Cannot coerce a $type into a Mail::Message::Field::AddrGroup
· coerce in Mail::Message::Field::AddrGroup

ERROR: Cannot coerce a $type into a Mail::Message::Field::Address
· coerce in Mail::Message::Field::Address

ERROR: Cannot coerce a (class) into destruction
· coerce in Mail::Box::Message::Destructed

ERROR: Cannot connect to $host:$port for IMAP4: $!
· login in Mail::Transport::IMAP4

ERROR: Cannot connect to $host:$port for POP3: $!
· login in Mail::Transport::POP3

ERROR: Cannot convert "$string" into an address object
· new in Mail::Message::Head::ListGroup

ERROR: Cannot create $name: higher levels missing
· create in Mail::Box::Manage::User

ERROR: Cannot create MH folder $name: $!
· create in Mail::Box::MH

ERROR: Cannot create Maildir directory $dir: $!
· createDirs in Mail::Box::Maildir

ERROR: Cannot create Maildir folder $name.
· create in Mail::Box::Maildir

ERROR: Cannot create Maildir message file $new.
· coerce in Mail::Box::Maildir

ERROR: Cannot create Maildir subdir $dir: $!
· createDirs in Mail::Box::Maildir

ERROR: Cannot create POP3 client for $name.
· popClient in Mail::Box::POP3

ERROR: Cannot create a $type to add this to my collection.
· addRole in User::Identity::Collection

ERROR: Cannot create directory $dir for folder $name.
· create in Mail::Box::File

ERROR: Cannot create folder file $name: $!
· create in Mail::Box::File

ERROR: Cannot create parser for $filename.
· parser in Mail::Box::Dir::Message

ERROR: Cannot find head back for $uidl on POP3 server $name.
· getHeadAndBody in Mail::Box::POP3

ERROR: Cannot get a lock on $type folder $self.
· new in Mail::Box::File

ERROR: Cannot get the messages of pop3 via messages()
· messages in Mail::Transport::POP3

ERROR: Cannot include forward source as $include.
· forward in Mail::Message::Construct::Forward

ERROR: Cannot include reply source as $include.
· reply in Mail::Message::Construct::Reply

ERROR: Cannot load collection module for $type ($class).
· addCollection in User::Identity::Item

ERROR: Cannot move away sub-folder $dir
· moveAwaySubFolder in Mail::Box::File

ERROR: Cannot re-connect reliably to server which doesn't support UIDL.
· socket in Mail::Transport::POP3

ERROR: Cannot read POP3 from socket: $!
· send in Mail::Transport::POP3

ERROR: Cannot read body for $uidl on POP3 server $name.
· getHeadAndBody in Mail::Box::POP3

ERROR: Cannot read dbx folder file $filename.
· parser in Mail::Box::Dbx

ERROR: Cannot rename $name into $newname: already exists
· renameRole in User::Identity::Collection

ERROR: Cannot rename $name into $newname: doesn't exist
· renameRole in User::Identity::Collection

ERROR: Cannot rename $name to $new: higher levels missing
· rename in Mail::Box::Manage::User

ERROR: Cannot replace $filename by $tempname, to update folder $name: $!
· write in Mail::Box::File

ERROR: Cannot search in body.
· new in Mail::Box::Search

ERROR: Cannot search in header.
· new in Mail::Box::Search

ERROR: Cannot write POP3 to socket: $@
· send in Mail::Transport::POP3

ERROR: Cannot write folder $name without lock.
· writeMessages in Mail::Box::MH

ERROR: Cannot write message to $filename: $!
· create in Mail::Box::Dir::Message

ERROR: Cannot write to temporary body file $filename: $!
· new in Mail::Message::Body::File

ERROR: Converting from MIME::Entity but got a $type, return
· from in Mail::Message::Convert::MimeEntity

ERROR: Copying failed for one message.
· copyTo in Mail::Box

ERROR: Could not authenticate using '$some' method.
· login in Mail::Transport::POP3

ERROR: Could not authenticate using any login method.
· login in Mail::Transport::POP3

ERROR: Couldn't select IMAP4 folder $name
· transporter in Mail::Box::IMAP4

ERROR: Creation of a collection via $class failed.
· addCollection in User::Identity::Item

ERROR: Data not convertible to a message (type is $type)
· new in Mail::Message::Body::Multipart

ERROR: Dbx record required to create the message.
· new in Mail::Box::Dbx::Message

ERROR: Decoder for transfer encoding $type does not work: $@
· create in Mail::Message::TransferEnc

ERROR: Destination folder $name is not writable.
· copyTo in Mail::Box

ERROR: Destructed message has no labels except 'deleted'
· label in Mail::Box::Message::Destructed

ERROR: Destructed messages can not be undeleted
· label in Mail::Box::Message::Destructed

ERROR: Don't know how to deliver via results in $way.
· new in Mail::Box::Search

ERROR: Don't know what type of collection you want to add.
· addCollection in User::Identity::Item

ERROR: Each item requires a name
· new in User::Identity::Item

ERROR: Errors when closing Exim mailer $program: $!
· trySend in Mail::Transport::Exim

ERROR: Errors when closing Qmail mailer $program: $!
· trySend in Mail::Transport::Qmail

ERROR: Errors when closing sendmail mailer $program: $!
· trySend in Mail::Transport::Sendmail

ERROR: Failed to move $new to $filename: $!
· create in Mail::Box::Dir::Message

ERROR: Failed to remove expired lockfile $lockfile: $!
· lock in Mail::Box::Locker::DotLock

ERROR: Failed to remove expired mutt-lock $lockfile: $!
· lock in Mail::Box::Locker::Mutt

ERROR: File too short to get write message $nr ($size, $need)
· write in Mail::Box::File

ERROR: Filename or handle required to create a parser.
· new in Mail::Box::Parser

ERROR: Folder $name is already open.
· open in Mail::Box::Manager
ERROR: Folder $name is not a Mail::Box; cannot add a message.
· appendMessage in Mail::Box::Manager

ERROR: Folder $name is opened read-only
· write in Mail::Box

ERROR: Folder $name not deleted: not writable.
· delete in Mail::Box

ERROR: IMAP cannot connect to $host: $@
· login in Mail::Transport::IMAP4

ERROR: IMAP4 requires a username and password
· login in Mail::Transport::IMAP4

ERROR: IMAP4 username $username requires a password
· login in Mail::Transport::IMAP4

ERROR: Illegal folder URL '$url'.
· open in Mail::Box::Manager

ERROR: Invalid timespan '$timespan' specified.
· timespan2seconds in Mail::Box

ERROR: It is not permitted to add subfolders to $name
· addSubfolder in Mail::Box::Identity

ERROR: Mail::Internet does not support this kind of data
· new in Mail::Message::Replace::MailInternet

ERROR: Message header required for creation of ResentGroup.
· new in Mail::Message::Head::ResentGroup

ERROR: Message-Id is required for a dummy.
· new in Mail::Message::Dummy

ERROR: Method bounce requires To, Cc, or Bcc
· bounce in Mail::Message::Construct::Bounce

ERROR: Method forwardAttach requires a preamble
· forwardAttach in Mail::Message::Construct::Forward

ERROR: Method forwardEncapsulate requires a preamble
· forwardEncapsulate in Mail::Message::Construct::Forward

ERROR: No IMAP4 transporter configured
· transporter in Mail::Box::IMAP4

ERROR: No address to create forwarded to.
· forward in Mail::Message::Construct::Forward

ERROR: No attributes for URI fields.
· addAttribute in Mail::Message::Field::URIs

ERROR: No attributes for address fields.
· addAttribute in Mail::Message::Field::Addresses

ERROR: No default mailer found to send message.
· send in Mail::Message

ERROR: No folder name specified.
· new in Mail::Box

ERROR: No foldername specified to open.
· open in Mail::Box::Manager

ERROR: No rebuild rule $name defined.
· rebuild in Mail::Message::Construct::Rebuild

ERROR: Only build() Mail::Message's; they are not in a folder yet
· build in Mail::Message::Construct::Build

ERROR: POP3 Could not do a STAT
· status in Mail::Transport::POP3

ERROR: POP3 requires a username and password.
· login in Mail::Transport::POP3

ERROR: Package $package does not implement $method.
· notImplemented in Mail::Reporter

ERROR: Search in BODY, HEAD or MESSAGE not $in.
· new in Mail::Box::Search

ERROR: Sending via mailx mailer $program failed: $! ($?)
· trySend in Mail::Transport::Mailx

ERROR: Server at $host:$port does not seem to be talking POP3.
· login in Mail::Transport::POP3

ERROR: The toplevel folder cannot be removed this way
· remove in Mail::Box::Identity

ERROR: Too late to merge: value already changed.
· mergeComponent in Mail::Message::Field::Attribute

ERROR: Toplevel directory requires explicit folder type
· folderType in Mail::Box::Identity

ERROR: Toplevel directory requires explicit location
· location in Mail::Box::Identity

ERROR: Transporters of type $class cannot send.
· trySend in Mail::Transport::Send

ERROR: Type parameter is obligatory.
· new in MIME::Type

ERROR: Unable to check lock file $filename for $folder: $!
· isLocked in Mail::Box::Locker::Flock

ERROR: Unable to check lock file $filename for $folder: $!
· isLocked in Mail::Box::Locker::POSIX

ERROR: Unable to create subfolder $name of $folder.
· copyTo in Mail::Box

ERROR: Unable to open POSIX lock file $filename for $folder: $!
· lock in Mail::Box::Locker::POSIX

ERROR: Unable to open flock file $filename for $folder: $!
· lock in Mail::Box::Locker::Flock

ERROR: Unable to read delayed body.
· loadBody in Mail::Box::Dir::Message

ERROR: Unable to read delayed body.
· loadBody in Mail::Box::File::Message

ERROR: Unable to read delayed body.
· loadBody in Mail::Box::Net::Message

ERROR: Unable to read delayed head.
· loadBody in Mail::Box::Dir::Message

ERROR: Unable to read delayed head.
· loadBody in Mail::Box::Net::Message

ERROR: Unable to read file $filename for message body file: $!
· new in Mail::Message::Body::File

ERROR: Unable to read file $filename for message body lines: $!
· new in Mail::Message::Body::Lines

ERROR: Unable to read file $filename for message body scalar: $!
· new in Mail::Message::Body::String

ERROR: Unable to remove expired lockfile $lockfile: $!
· lock in Mail::Box::Locker::NFS

ERROR: Unable to remove folder $dir
· delete in Mail::Box::Manage::User

ERROR: Unable to update folder $self.
· write in Mail::Box::File

ERROR: Unable to write message for $folder to $filename: $!
· appendMessages in Mail::Box::MH

ERROR: Unknown criterium $what to select parts.
· parts in Mail::Message::Body::Multipart

ERROR: Update of $nr messages ignored for POP3 folder $name.
· writeMessages in Mail::Box::POP3

ERROR: Use appendMessage() to add messages which are not in a folder.
· copyMessage in Mail::Box::Manager

ERROR: Will never get a POSIX lock at $filename for $folder: $!
· lock in Mail::Box::Locker::POSIX

ERROR: Will never get a flock at $filename for $folder: $!
· lock in Mail::Box::Locker::Flock

ERROR: Writing folder $name failed
· write in Mail::Box

ERROR: Wrong type of role for $collection: requires a $expect but got a $type
· addRole in User::Identity::Collection

ERROR: You cannot destruct message parts, only whole messages
· destruct in Mail::Message::Part

ERROR: You cannot instantiate a destructed message
· new in Mail::Box::Message::Destructed

ERROR: You cannot take the head/body of a destructed message
· head in Mail::Box::Message::Destructed

ERROR: You cannot take the head/body of a dummy message
· head in Mail::Message::Dummy

ERROR: You cannot use foreachLine on a multipart
· foreachLine in Mail::Message::Body::Multipart

ERROR: You cannot use foreachLine on a nested
· foreachLine in Mail::Message::Body::Nested

ERROR: You cannot write a message to a pop server (yet)
· addMessage in Mail::Box::POP3