Flow price: --
b883f6acf99a18b08834ce2abf815e05188a8ea0c00e67b7b167ef89e10ca300

Transaction

Hash: b883f6acf99a18b08834ce2abf815e05188a8ea0c00e67b7b167ef89e10ca300
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b883f6acf99a18b08834ce2abf815e05188a8ea0c00e67b7b167ef89e10ca300:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b883f6acf99a18b08834ce2abf815e05188a8ea0c00e67b7b167ef89e10ca300
Status:
ERROR
Block height:
40124191
Block id:
4f38f01ad344e6aae3657434f505cf90c0194d51c28adebd15ff8dddab0b5b8e
Timestamp:
Tuesday 1 November 2022 at 19:43:24 UTC
()
Proposer:
Authorizers:
Gas used:
46