Flow price: --
4419cfd234a00fa93abc5c4efeaf77f687840cc27dd59fe2042f67e6dec101ff

Transaction

Hash: 4419cfd234a00fa93abc5c4efeaf77f687840cc27dd59fe2042f67e6dec101ff
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4419cfd234a00fa93abc5c4efeaf77f687840cc27dd59fe2042f67e6dec101ff: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:
4419cfd234a00fa93abc5c4efeaf77f687840cc27dd59fe2042f67e6dec101ff
Status:
ERROR
Block height:
40006816
Block id:
b6529c382fe8cf6d2e3427651bd150118adb3a2da92c23ea8fd38676b33a2687
Timestamp:
Sunday 30 October 2022 at 20:29:12 UTC
()
Proposer:
Authorizers:
Gas used:
50