Zoho CRM Custom Function Not Running

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Workaround available Web Updated November 13, 2026Based on 2 user reportsHow we research

Quick answer

Check Setup > Actions > Functions > Failures. Common causes are empty field values, the daily limit, or an exhausted function-call quota.

Most likely fix: Read the failures

How to fix it

Try these in order — the most common fix is first.

  1. 1. Read the failures

    1. Go to Setup > Actions > Functions > Failures
    Did this fix it?
  2. 2. Handle empty values

    1. Add null checks before using fields from related records
    Did this fix it?
  3. 3. Day limit and quota

    1. Wait for the daily limit to reset
    2. Purchase additional function calls or optimize the code
    Did this fix it?

Symptoms

A Deluge custom function in a workflow does nothing or errors.

Why it happens

  • Code maps to an empty field on another record
  • 'Day limit reached' error
  • Function-call quota exhausted

This guide also covers

  • zoho crm custom function not working
  • zoho crm deluge function failed
  • zoho crm day limit reached

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