Code: OVERSIZED_CHUNK

Import chunk too large

What it means

The chunk sent from the file exceeds the allowed size for a single batch.

Where it appears

The Import page.

Likely causes

A very large file, or an issue in the chunking step.

Safest actions

Split the file into smaller files and retry.

Safe to retry

Yes

When to contact support

Contact support if this persists with a reasonably sized file.