Flow price: --
65b687c96af8164911cf88d88a26698c5089bb28ffa02a01d0a3c7adcee0dfb5

Transaction

Hash: 65b687c96af8164911cf88d88a26698c5089bb28ffa02a01d0a3c7adcee0dfb5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 65b687c96af8164911cf88d88a26698c5089bb28ffa02a01d0a3c7adcee0dfb5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
65b687c96af8164911cf88d88a26698c5089bb28ffa02a01d0a3c7adcee0dfb5
Status:
ERROR
Block height:
40170449
Block id:
12a5d4a2d9a8c176ad782e4bebfebe6b8792c6f35273c5c9c8c906139a502fca
Timestamp:
Wednesday 2 November 2022 at 14:31:26 UTC
()
Proposer:
Authorizers:
Gas used:
50