Integromat automation problem - can't store an array in Google Firestore. Firestore expects typed values, so a plain JSON array is rejected. Use when hitting this exact issue. Not for unrelated errors or different features.
TL;DR
Firestore expects typed values, so a plain JSON array is rejected.
The error
Integromat automation problem - can't store an array in Google Firestore
Fix
Firestore expects typed values, so a plain JSON array is rejected. Expected: you can confirm this matches your situation.
Re-run the original operation and confirm the error is gone. Expected: no error, normal output.
When to use
You hit this exact error.
The symptom matches: Integromat automation problem - can't store an array in Google Firestore.
When NOT to use
A different error message; the cause here is specific to this error.
Unrelated issues with a different cause.
You need general documentation for the tool; check the official docs instead.
Compatibility
Reported per the linked source.
Variant phrasings
Integromat automation problem - can't store an array in Google Firestore
Why it happens
Stack Overflow question (score 2): syncing data to Google Firestore through Integromat fails when trying to save an array as a field value; every attempted format is rejected.
Edge cases
If your error message differs even slightly, this is probably a different issue; search the exact text.
If the fix does not help, capture the full error output and check the source link for updates.
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Published recentlyPublished Oct 3, 2026. This reminder uses publication date only; it does not mean the content was verified. Review again after Apr 1, 2027.
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Published recentlyPublished Oct 3, 2026. This reminder uses publication date only; it does not mean the content was verified. Review again after Apr 1, 2027.