Flow price: --
81f81e58fb376ca67d4a6bc9c7d00a6660bab209cf43f37c5e9ec524c7556eee

Transaction

Hash: 81f81e58fb376ca67d4a6bc9c7d00a6660bab209cf43f37c5e9ec524c7556eee
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 81f81e58fb376ca67d4a6bc9c7d00a6660bab209cf43f37c5e9ec524c7556eee: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:
81f81e58fb376ca67d4a6bc9c7d00a6660bab209cf43f37c5e9ec524c7556eee
Status:
ERROR
Block height:
40055787
Block id:
3363ccae354837185e661beae6856eeec0ac35cbae5d705dbec4548c7e373008
Timestamp:
Monday 31 October 2022 at 16:06:56 UTC
()
Proposer:
Authorizers:
Gas used:
46