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Best answer

Formatter function producing null value when published

I
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I’m troubleshooting a zap that worked until recently.

The error I keep receiving is that the formatter function has a null value. When running tests with recent record, it works fine (even when using a record that previously failed.

I’ve tried 2 formatter options (number - spreadsheet) and Text (extract number). Same issues with both.

 

Best answer by ITA_LauraBest answer by ITA_Laura

It looks like the issue was isolated to re-running failed zaps. New records that triggered the zap are updating as expected! 

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3 replies

Troy Tessalone
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Hi ​@ITA_Laura 

Screenshot shows the mapped variable was either:

  • invalid and needs to be remapped from it’s origin Zap step
  • valid but had a value that was blank/empty/missing/null

 

⚡ Troy Tessalone - AutomationAce.com | Premier Certified Zapier Expert | #1 Zapier Community Contributor
I
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  • ITA_Laura
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  • New
  • 1 reply
  • Answer
  • March 5, 2025

It looks like the issue was isolated to re-running failed zaps. New records that triggered the zap are updating as expected! 

ken.a
1 person likes this
  • ken.a
    ken.a
ken.a
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  • ken.aZapier Staff
  • Zapier Staff
  • 6423 replies
  • March 6, 2025

That’s awesome ​@ITA_Laura! We’re glad to hear that the Zap is running as expected now.

If you have any other questions, please don’t hesitate to reach out to the Community. We’re always happy to help! 🤗

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