Flow price: --
1c4736b055215ba18056f8f178aee6b277e67479b3760facc5601553b9bf62b9

Transaction

Hash: 1c4736b055215ba18056f8f178aee6b277e67479b3760facc5601553b9bf62b9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1c4736b055215ba18056f8f178aee6b277e67479b3760facc5601553b9bf62b9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1c4736b055215ba18056f8f178aee6b277e67479b3760facc5601553b9bf62b9
Status:
ERROR
Block height:
40036930
Block id:
8980a825e71e2e724e9f6be1adad7b13d5802f2b5441927de2e5a671b2a969b0
Timestamp:
Monday 31 October 2022 at 08:29:35 UTC
()
Proposer:
Authorizers:
Gas used:
47