Cause
The WMSGBSIZ is the maximun size for warning message block, it is recommanded to be 1024 bytes to 8 kbytes.
Action
Defined WMSGBLK of size between 1k to 8k bytes and update the WMSGBSIZ to the sizeof(WMSGBLK).
Oracle 26ai
ORA-08412
Error Message
error encountered in WMSGBSIZ, size for WMSGBLK is not big enough for warning message