DBPROC_OUT_NOT_WRITABLE 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: A - ABAP Programming Error
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.
Examples of non-writable variables are literals, constants and
read-only attributes of classes.
Access error while calling a database procedure.
Please see abap error for more details about the possible cause of this runtime error and how it could be avoided.
Only enter ABAP variables as IMPORTING parameters of a CALL DATABASE
PROCEDURE call.
Database procedure <runtime parameter> was called. A non-writable table was entered in
the IMPORTING parameters however.
This can happen for example if there is a reference to a read-only
attribute of a class while a database procedure is being called using a
parameter table.
It can also occur is a field symbol entered during a static call points
to a READ-ONLY attribute of a class or to a constant at runtime.
DBPROC_OUT_NOT_WRITABLE - dbproc out not writable DBPROC_OUTPUT_PARAMETER_MTDA - dbproc output parameter mtda DBPROC_ILLEGAL_TYPE - dbproc illegal type DBPROC_DYNAMIC_UNKNOWN_KIND - dbproc dynamic unknown kind DBPROC_DYNAMIC_REF_INITIAL - dbproc dynamic ref initial DBPROC_DYNAMIC_NO_TABLE - dbproc dynamic no table