An attempt was made to read past the end of the file

Can't get enough memory to complete action

Some file I/O problem

The file is read-only

The file is locked

The disk is locked

The disk is full

The file is already open

Open Prolog can't read a file of this type

The name given as a file name is really the name of a folder

Can't find the file

An operator error occured

A unification failure occured

An unexpected character was encountered

The end of the file was reached unexpectedly

The variable name is too long - it can't be  more than 255 characters

The atom name is too long - it can't be  more than 255 characters

The string is too long - it can't be  more than 255 characters

The (quoted) atom name is too long - it can't be  more than 255 characters

The number specified is outside the range of numbers that can be represented by Open Prolog

The text is not a complete term

Some error or another