Flow price: --
9a9a571be48f1c9075907a2045e54dd6754a40336a348e5abc8ff265719ef89c

Transaction

Hash: 9a9a571be48f1c9075907a2045e54dd6754a40336a348e5abc8ff265719ef89c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9a9a571be48f1c9075907a2045e54dd6754a40336a348e5abc8ff265719ef89c: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:
9a9a571be48f1c9075907a2045e54dd6754a40336a348e5abc8ff265719ef89c
Status:
ERROR
Block height:
39731731
Block id:
fba641e7f2df1a8b03d0e8c257324840efe36ccc0e3a3888c3f61a03eff4d532
Timestamp:
Wednesday 26 October 2022 at 06:05:03 UTC
()
Proposer:
Authorizers:
Gas used:
50