SYSTEM_INVALID_FIELDSYMBOL 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: I - Internal Kernel 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.
Please see internal error for more details about the possible cause of this runtime error and how it could be avoided.
Incorrect call of SYSTEM-CALL POINTER FROM
Please see internal error for more details about the possible cause of this runtime error and how it could be avoided.
A field symbol was to be made into a form which could be saved using
SYSTEM-CALL POINTER FROM (as a part of the implementation of the
language element ASSIGN TABLE FIELD). An internal error was determined
making the transformation impossible.
Please see internal error for more details about the possible cause of this runtime error and how it could be avoided.
SYSTEM_INVALID_FIELDSYMBOL - system invalid fieldsymbol SYSTEM_IMODE_TOO_LARGE - system imode too large SYSTEM_ILLEGAL_TYPE - system illegal type SYSTEM_ILLEGAL_SWITCH - system illegal switch SYSTEM_ILLEGAL_STATEMENT - system illegal statement SYSTEM_ILLEGAL_LANGUAGE_SPEC - system illegal language spec