Flow price: --
1864f5d21128106ff4ae4461ab2ba69cd27c87ba9ae251660f862e5106873411

Transaction

Hash: 1864f5d21128106ff4ae4461ab2ba69cd27c87ba9ae251660f862e5106873411
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1864f5d21128106ff4ae4461ab2ba69cd27c87ba9ae251660f862e5106873411:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1864f5d21128106ff4ae4461ab2ba69cd27c87ba9ae251660f862e5106873411
Status:
ERROR
Block height:
39999857
Block id:
2e70550bcd59d2192e40f1ff92f47a034c7ed2c326bcba251924ba610172fdc1
Timestamp:
Sunday 30 October 2022 at 17:42:48 UTC
()
Proposer:
Authorizers:
Gas used:
49