PreLogExists

Error v210 → current 21.1

Pre-log exists, preventing transaction execution.

Encountered by: developers

Why This Error Exists

Rare internal state conflict. Usually resolves on retry.

From Chain Metadata

Pre-log is present, therefore transact is not allowed.

What This Means

Pre-log exists, preventing transaction execution.

Common Causes

  • Internal state issue during block building

How to Fix

  • Retry in next block
  • Report if persistent

Thrown By

transact

Runtime Info

Pallet Index
21
Error Index
1
Error Code
21.1
Runtime Version
v393
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