Flow price: --
b1569440c4df9a11484e5f498d010a306d1bb5a1a44a5a24b24d5b0d128e99a5

Transaction

Hash: b1569440c4df9a11484e5f498d010a306d1bb5a1a44a5a24b24d5b0d128e99a5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b1569440c4df9a11484e5f498d010a306d1bb5a1a44a5a24b24d5b0d128e99a5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b1569440c4df9a11484e5f498d010a306d1bb5a1a44a5a24b24d5b0d128e99a5
Status:
ERROR
Block height:
40136876
Block id:
58a98977f5d4bea4cd4c944f9b0d8b81663e2cb9a19a6d1006c4517438350e49
Timestamp:
Wednesday 2 November 2022 at 00:54:33 UTC
()
Proposer:
Authorizers:
Gas used:
47