n8n errors / Schema
Unable to parse range: Sheet1!A:D1:undefined1
Cause
A regression in n8n v0.84.3 caused the Google Sheets Append operation to build malformed range strings with undefined suffixes.
Fix
Upgrade to n8n v0.84.4 or later which contains the patch. If you cannot upgrade immediately, replace the Append operation with a raw HTTP Request to the Sheets API using a correctly formed A1-notation range.
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