Sticky Hide and Show Error

Hi!
I used Sticky Hide and Show in my application a long time. And I didn't see this problem before. Everything works fine yesterday. Today I receive an Invalid Number Error.
I detected that the problem with
SHOW_HIDE_OUTPUT
but I can't understand what cause this error.
Any ideas.
Best Regards, Kostya Proskudin.

I find the reason. Oracle could not implicitly convert number to char in show_hide_memory.show_hide_collection_output() procedure.
The solution is to modify SQL statement
(SELECT c003
FROM apex_collections
WHERE collection_name = 'SHOW_HIDE_COLLECTION'
AND c001 = to_char(wwv_flow.g_flow_id)
AND c002 = to_char(wwv_flow.g_flow_step_id))
Kostya

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