Flow price: --
38cfe9254f8afeb80c6cad1aa9b0dd6740305d2180f06c52339036535693b49f

Transaction

Hash: 38cfe9254f8afeb80c6cad1aa9b0dd6740305d2180f06c52339036535693b49f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 38cfe9254f8afeb80c6cad1aa9b0dd6740305d2180f06c52339036535693b49f:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
38cfe9254f8afeb80c6cad1aa9b0dd6740305d2180f06c52339036535693b49f
Status:
ERROR
Block height:
40124098
Block id:
b1c50d1e58006bffe0f52585b7834af9c3aa4d55ab8ff957f7dd9f3443368dd6
Timestamp:
Tuesday 1 November 2022 at 19:41:10 UTC
()
Proposer:
Authorizers:
Gas used:
50