Flow price: --
b8766b06bc53340df5f0a055384daf18dfcbebf3e2b4992756dc7e80d204b7f2

Transaction

Hash: b8766b06bc53340df5f0a055384daf18dfcbebf3e2b4992756dc7e80d204b7f2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b8766b06bc53340df5f0a055384daf18dfcbebf3e2b4992756dc7e80d204b7f2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b8766b06bc53340df5f0a055384daf18dfcbebf3e2b4992756dc7e80d204b7f2
Status:
ERROR
Block height:
40041174
Block id:
a4027c573e467d329157f611c4f0bfd6535614881b7105ff64af514585ef97e8
Timestamp:
Monday 31 October 2022 at 10:12:28 UTC
()
Proposer:
Authorizers:
Gas used:
54