Flow price: --
b216f1f985d02ef2af0451b777ead9a43e309725ec1cee2d77e6be25a5a6438d

Transaction

Hash: b216f1f985d02ef2af0451b777ead9a43e309725ec1cee2d77e6be25a5a6438d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b216f1f985d02ef2af0451b777ead9a43e309725ec1cee2d77e6be25a5a6438d: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:
b216f1f985d02ef2af0451b777ead9a43e309725ec1cee2d77e6be25a5a6438d
Status:
ERROR
Block height:
39804116
Block id:
92ab0c5a73b843ab5cbd7becf98c5ba64811cb3bc49dfbabe83b1a4cd3525512
Timestamp:
Thursday 27 October 2022 at 11:14:42 UTC
()
Proposer:
Authorizers:
Gas used:
46