DBSQL_BUFFER_ERROR is an ABAP runtime error which you may come across when using or developing within an SAP system. See below for the standard details explaining what it means and how you can avoid or fix this runtime error.
Short Dump Classification: R - Error at ABAP Runtime
You can view further information about a runtme error by using transaction code ST22 which will show you this and all runtime erros that have happen in your SAP system.
Also check out the Comments section below to view or add related contributions and example screen shots.
A reset for the entire table buffer is entered in the system log.
Please see see syslog for more details about the possible cause of this runtime error and how it could be avoided.
Please see search hints for more details about the possible cause of this runtime error and how it could be avoided.
Please see send to sap for more details about the possible cause of this runtime error and how it could be avoided.
Error while accessing a buffered table.
Please see runtime error for more details about the possible cause of this runtime error and how it could be avoided.
The buffered table has either been structurally modified or has been
reset manually in the table buffer.
During data selection to buffered table <runtime parameter>, this table was reset in
the buffer, for example by parallel structural modification of the
table in the ABAP Dictionary.