Flow price: --
c7a933a67fc74b9328d4d80533b3889f3c6e9961dd6b8114cf6e70453bbf6ff0

Transaction

Hash: c7a933a67fc74b9328d4d80533b3889f3c6e9961dd6b8114cf6e70453bbf6ff0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c7a933a67fc74b9328d4d80533b3889f3c6e9961dd6b8114cf6e70453bbf6ff0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c7a933a67fc74b9328d4d80533b3889f3c6e9961dd6b8114cf6e70453bbf6ff0
Status:
ERROR
Block height:
39859655
Block id:
e1f0b4a3db6f9addd6b4185e0c7aca7489512e2a828c8e9020c2dff0e86780f9
Timestamp:
Friday 28 October 2022 at 09:40:16 UTC
()
Proposer:
Authorizers:
Gas used:
50