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Apex Mails Stuck with Error: ORA-06502 "PL/SQL: numeric or value error: character string buffer too small" (Doc ID 3021551.1)

Last updated on JUNE 04, 2024

Applies to:

Oracle Application Express (APEX) - Version 22.2 and later
Information in this document applies to any platform.


On : APEX 22.2 version, Administration

When attempting to send emails from APEX
the following error occurs.

ORA-06502: PL/SQL: numeric or value error: character string buffer too small

The issue can be reproduced at will with the following steps:
1. Use the APEX application that would send email
2. The emails do not arrive
3. Check he APEX email Queue


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