thanks to dear member @l1admin689 updated WHMCS nulled callback removed with a new update entry:
01-23-2025
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01-23-2025
Maintenance
WHMCS-19938 — Improve resilience of update routine when previous update queries were improperly applied
WHMCS-19939 — Prevent fatal error during cron if cPanel Licensing module is enabled (Also known as: CPL-172)
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