Flow price: --
c804fb36a05720a21a13fe7a50c5fefc5f240eec0a8a7f77bdaa7b030f74c507

Transaction

Hash: c804fb36a05720a21a13fe7a50c5fefc5f240eec0a8a7f77bdaa7b030f74c507
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c804fb36a05720a21a13fe7a50c5fefc5f240eec0a8a7f77bdaa7b030f74c507:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c804fb36a05720a21a13fe7a50c5fefc5f240eec0a8a7f77bdaa7b030f74c507
Status:
ERROR
Block height:
39741828
Block id:
20a7bc904190c044c08f09df997f7a8dc62fc3b707fccb192016db491e462adf
Timestamp:
Wednesday 26 October 2022 at 10:09:13 UTC
()
Proposer:
Authorizers:
Gas used:
47