SAP Message RT558 - SAP buffer: initial record layout (InitialRecords)

Diagnosis
The InitialRecords buffer (also called the IREC buffer) contains theinitial record layout of a table. The initial record layout containsthe initial values for all fields of a database segment.
You can set the maximum size of the buffer using system parameterrsdb/ntab/irbdsize. The system sets the maximum number ofentries in the buffer directory depending on the maximum number ofentries in the TableDefinition buffer:
2 * rsdb/ntab/entycount + 1
Specify the value for system parameter rsdb/ntab/irbdsize inkilobytes.
INCLUDE BC_BUFFER_INFO1 OBJECT DOKU ID TX LANGUAGE EN
A typical size setting for the buffer is around 4.000 KB.
INCLUDE BC_BUFFER_INFO2 OBJECT DOKU ID TX LANGUAGE EN