Flow price: --
b20db73fc71edac4e48183c83ed723d1bc7f9aa2929c83cf04f60dd25f092186

Transaction

Hash: b20db73fc71edac4e48183c83ed723d1bc7f9aa2929c83cf04f60dd25f092186
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> b20db73fc71edac4e48183c83ed723d1bc7f9aa2929c83cf04f60dd25f092186:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:24


Hash:
b20db73fc71edac4e48183c83ed723d1bc7f9aa2929c83cf04f60dd25f092186
Status:
ERROR
Block height:
41648860
Block id:
47e4f28ab9d4e823347314743786014c210345448df3ef99314d1a1a4c0f12b3
Timestamp:
Saturday 26 November 2022 at 23:14:55 UTC
()
Proposer:
Authorizers:
Gas used:
27