Flow price: --
9459325761d362adef57c922352a8fc5b91a001b6ec9e0ea907392dddcd5121c

Transaction

Hash: 9459325761d362adef57c922352a8fc5b91a001b6ec9e0ea907392dddcd5121c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9459325761d362adef57c922352a8fc5b91a001b6ec9e0ea907392dddcd5121c: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:
9459325761d362adef57c922352a8fc5b91a001b6ec9e0ea907392dddcd5121c
Status:
ERROR
Block height:
40148760
Block id:
2248300e1012c6706cf2d8d326a2851830234b53e61bd055031c0471372e7a03
Timestamp:
Wednesday 2 November 2022 at 05:43:52 UTC
()
Proposer:
Authorizers:
Gas used:
46