Flow price: --
c624fb043e9bd98bd33ead2179d196d7a9124ccd6fa8f649089892d8669f7315

Transaction

Hash: c624fb043e9bd98bd33ead2179d196d7a9124ccd6fa8f649089892d8669f7315
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c624fb043e9bd98bd33ead2179d196d7a9124ccd6fa8f649089892d8669f7315:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c624fb043e9bd98bd33ead2179d196d7a9124ccd6fa8f649089892d8669f7315
Status:
ERROR
Block height:
39853146
Block id:
b8a280e8500fd0137af25ba08b181ecb2d06e1bb39dcb1d819faf50b0580f48d
Timestamp:
Friday 28 October 2022 at 07:02:39 UTC
()
Proposer:
Authorizers:
Gas used:
47