DecodingFailed

Error v334 → current 29.11

Failed to decode input data for the contract.

Encountered by: developers

Why This Error Exists

The contract couldn't parse your input. Check your encoding.

From Chain Metadata

Input passed to a contract API function failed to decode as expected type.

What This Means

Failed to decode input data for the contract.

Common Causes

  • Call data doesn't match expected format
  • Wrong ABI encoding
  • Mismatched selector

How to Fix

  • Verify call data is correctly SCALE-encoded
  • Check selector matches the function you're calling
  • Use correct ABI/metadata for encoding

Runtime Info

Pallet Index
29
Error Index
11
Error Code
29.11
Runtime Version
v393