Flow price: --
a6f2dcd5c661f04665ca3d8a8c89d6e314a8e0a99cb3d44b1ca63166ff340101

Transaction

Hash: a6f2dcd5c661f04665ca3d8a8c89d6e314a8e0a99cb3d44b1ca63166ff340101
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a6f2dcd5c661f04665ca3d8a8c89d6e314a8e0a99cb3d44b1ca63166ff340101:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a6f2dcd5c661f04665ca3d8a8c89d6e314a8e0a99cb3d44b1ca63166ff340101
Status:
ERROR
Block height:
40027600
Block id:
ef871073b87a1ad07b2ca3ba84627cbe67ab9b807e248b6dc9966051dce803b6
Timestamp:
Monday 31 October 2022 at 04:44:49 UTC
()
Proposer:
Authorizers:
Gas used:
47