Flow price: --
c1b2f6ad8f6adb1318e4d00496a4cc49a4979d80650a61229e61098ac33e16e2

Transaction

Hash: c1b2f6ad8f6adb1318e4d00496a4cc49a4979d80650a61229e61098ac33e16e2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c1b2f6ad8f6adb1318e4d00496a4cc49a4979d80650a61229e61098ac33e16e2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c1b2f6ad8f6adb1318e4d00496a4cc49a4979d80650a61229e61098ac33e16e2
Status:
ERROR
Block height:
40169188
Block id:
d960faa9968fb07cb976abcddf40f524f08cafdfed5bf96157ae0c5188811291
Timestamp:
Wednesday 2 November 2022 at 14:00:40 UTC
()
Proposer:
Authorizers:
Gas used:
50