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Map Item revision mismatch

ERROR: 54205

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Sync: Map Item revision mismatch

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The actual revision of the Map Item does not match the expected revision.

Possible Causes

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  • Your update to this Sync Map Item has conflicted with a request submitted elsewhere.
  • The value specified in the If-Match header is erroneous.

If your update conflicts with a concurrent update elsewhere, the correct solution is to read the latest data (on the client SDK: wait for an update) and then re-attempt your update until you succeed. Consider that, since the data has changed, you may not want to submit the exact same update a second time. On the JavaScript SDK, we suggest using the mutate(link takes you to an external page) convenience function.

The value you provide in the If-Match header should be a revision assigned by the Sync service when interacting with the object.

  • In SDKs, this is the revision field, part of the object descriptor.
  • When using REST (e.g. via the Twilio Helper libraries) this is the ETag header provided in responses.

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