Flow price: --
c827ec5906b8407944d8afd70f2a03addb2cde1552c0eb136fc48c90e0d3c968

Transaction

Hash: c827ec5906b8407944d8afd70f2a03addb2cde1552c0eb136fc48c90e0d3c968
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c827ec5906b8407944d8afd70f2a03addb2cde1552c0eb136fc48c90e0d3c968:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c827ec5906b8407944d8afd70f2a03addb2cde1552c0eb136fc48c90e0d3c968
Status:
ERROR
Block height:
39910668
Block id:
cda21fe6fbd5f38d76ce0884ad5da455037c3d589f8b53a29461253acb99a897
Timestamp:
Saturday 29 October 2022 at 06:01:45 UTC
()
Proposer:
Authorizers:
Gas used:
49