Flow price: --
74a3d99888be5a59686257a5f4677181b9ded48c077c657e8e56b1f94889209b

Transaction

Hash: 74a3d99888be5a59686257a5f4677181b9ded48c077c657e8e56b1f94889209b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 74a3d99888be5a59686257a5f4677181b9ded48c077c657e8e56b1f94889209b: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:
74a3d99888be5a59686257a5f4677181b9ded48c077c657e8e56b1f94889209b
Status:
ERROR
Block height:
39909172
Block id:
92702e140e3ea70ff02c1fdfb23936362f56c52c266a89e0d339e839fa7d567d
Timestamp:
Saturday 29 October 2022 at 05:25:39 UTC
()
Proposer:
Authorizers:
Gas used:
47