All errors that may occur.
type error = | File_not_found of stringThe file does not exist or is not readable.
*)| File_overwrite of stringOverwriting an existing file is not allowed.
*)| File_not_appendable of stringAppend mode: the file does not exist, or is not readable, or is not writeable.
*)| File_not_writeable of stringWrite mode: the given permission does not allow writing to the file.
*)| Bad_format of string * stringThe file format is wrong: Bad_format (expected, found)
*)| Bad_password of error_locationA wrong password was given to open a subtable or the database itself.
*)| Bad_signature of error_locationThe signature found in the file or in a subtable is wrong.
*)| No_signature of error_locationNo signature was found.
*)| Is_Closed of error_locationThe table, or subtable, cannot be used because it is already closed.
*)| Is_Already_Open of error_locationThis subtable cannot be opened because it has already been opened.
*)| No_subtable of stringNo subtable with the given name exists. This error occurs when trying to open a standard subtable with open_uncrypted_subtable, or when trying to open an explicitly uncrypted subtable with open_subtable.
*)| Subtable_exists of stringA subtable with the given name already exists.
*)| Subtable_overflowToo many subtables created. Current maximum is 2^14 - 1.
*)| Overwrite of string * error_locationTrying to overwrite a key, while may_overwrite was false.
*)| Unbound of string * error_locationTrying to read a key that is not bound.
*)| DB_Error of exnError when accessing the underlying database.
*)| Corrupted of error_location * stringCorrupted file: it does not have the expected structure. (An error message is given).
*)| Backup_failure of exnError when trying to create the backup.
*)exception Error of errorException raised when an error occurs.
val loc2s : error_location -> stringPrinting functions.
val error2s : error -> string