iX V6.5 (30391-90011)

Appendix A 531

Error Messages

Library Procedure Error Messages

Library Procedure File System and Memory Management

For return status values −1 through −6, the second element of the calling program's status

area is the data set number for which ﬁle error occurred (zero indicates root ﬁle). The third

element is the MPE failure code returned by the FCHECK intrinsic. Refer to MPE

documentation for meaning of this code.

-1 MESSAGE MPE file error

returned by FOPEN on root

file or data set

MEANING For DBOPEN, error can indicate that database could not be

opened. Possible reasons:

• Database name string not terminated with semicolon

or blank.

• Database does not exist or is secured against access by

its group or account security.

• Database is already opened exclusively or in mode

incompatible with requested mode.

• MPE ﬁle system error occurred.

• MPE ﬁle system limit has been reached.

For DBOPEN, DBINFO, DBFIND, DBGET, DBUPDATE,

DBPUT, and DBDELETE, error can occur if:

• The process has too many ﬁles open external to the

database.

• Data set does not exist or is secured against access.

• Some other MPE ﬁle system error has occurred.

ACTION Determine which of probable causes applies and either

modify application program or see system manager about

ﬁle system error.

-2 MESSAGE MPE file error

returned by FCLOSE on root

file or data set

MEANING This is an exceptional error (should never happen) and is

returned only by DBOPEN or DBCLOSE. Indicates a

hardware or system software failure.

ACTION Notify system manager of error.