Flow price: --
089c80b5af2a061235becd276e6421160672adb9ed9c3cd6ebb1d88d3cefc936

Transaction

Hash: 089c80b5af2a061235becd276e6421160672adb9ed9c3cd6ebb1d88d3cefc936
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 089c80b5af2a061235becd276e6421160672adb9ed9c3cd6ebb1d88d3cefc936:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
089c80b5af2a061235becd276e6421160672adb9ed9c3cd6ebb1d88d3cefc936
Status:
ERROR
Block height:
39959830
Block id:
08ef9fc8f5bd8534583b368074b61d4019145ee77c2cb2fc8b15a8539a73da87
Timestamp:
Sunday 30 October 2022 at 01:41:43 UTC
()
Proposer:
Authorizers:
Gas used:
46