Oracle Error Message
PLS-01904: : NULL index table key value
Reason for the Error
An attempt was made to index into an index table with a NULL key value.
Solution
Make sure key values used to index into index tables are non-NULL.
PLS-01904: : NULL index table key value
An attempt was made to index into an index table with a NULL key value.
Make sure key values used to index into index tables are non-NULL.