DBIF_NTAB_INTERNAL_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: D - Error in Database Interface
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.
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Internal call code: <runtime parameter>.
Internal error when accessing <runtime parameter>.
Please see internal error for more details about the possible cause of this runtime error and how it could be avoided.
Please see internal error for more details about the possible cause of this runtime error and how it could be avoided.
You attempted to access the structure description of table <runtime parameter> (field
<runtime parameter>).
Please see internal error for more details about the possible cause of this runtime error and how it could be avoided.
An internal error in the database interface occurred when accessing the
structure description of table <runtime parameter> (field <runtime parameter>).
interface.
DBIF_NTAB_INTERNAL_ERROR - dbif ntab internal error DBIF_NTAB_ILLEGAL_CALL - dbif ntab illegal call DBIF_NTAB_FIELD_NOT_FOUND - dbif ntab field not found DBIF_NTAB_BUFFER_TOO_SHORT - dbif ntab buffer too short DBIF_JUDGE_SQL_ERROR - dbif judge sql error DBIF_JUDGE_PARAMETER_MISSING - dbif judge parameter missing