Flow price: --
13e60c4d993b169f1418832fe1d037139e618458f07a6afc98229fb0c9500f40

Transaction

Hash: 13e60c4d993b169f1418832fe1d037139e618458f07a6afc98229fb0c9500f40
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 13e60c4d993b169f1418832fe1d037139e618458f07a6afc98229fb0c9500f40:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
13e60c4d993b169f1418832fe1d037139e618458f07a6afc98229fb0c9500f40
Status:
ERROR
Block height:
39875607
Block id:
4e456e48120d8f70908f6fab77dfe7f0965318cd87453232a75d151b519f4dd6
Timestamp:
Friday 28 October 2022 at 16:04:17 UTC
()
Proposer:
Authorizers:
Gas used:
48