Flow price: --
8492560be6be3fc7156d7acb34a18742717f0bfaf60c30a31f7ce3ec3f3e4e91

Transaction

Hash: 8492560be6be3fc7156d7acb34a18742717f0bfaf60c30a31f7ce3ec3f3e4e91
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8492560be6be3fc7156d7acb34a18742717f0bfaf60c30a31f7ce3ec3f3e4e91:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8492560be6be3fc7156d7acb34a18742717f0bfaf60c30a31f7ce3ec3f3e4e91
Status:
ERROR
Block height:
40150288
Block id:
83ab2ccfe6f6516b3e6f1c69e771aa2bf00bfd550428cad501cfc3bc3a8a32d4
Timestamp:
Wednesday 2 November 2022 at 06:21:21 UTC
()
Proposer:
Authorizers:
Gas used:
50