Flow price: --
b4b3511d60d099f1de203922f25ae4dbb2c60850ed485b5fd08b8334b11fa2fa

Transaction

Hash: b4b3511d60d099f1de203922f25ae4dbb2c60850ed485b5fd08b8334b11fa2fa
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b4b3511d60d099f1de203922f25ae4dbb2c60850ed485b5fd08b8334b11fa2fa: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:
b4b3511d60d099f1de203922f25ae4dbb2c60850ed485b5fd08b8334b11fa2fa
Status:
ERROR
Block height:
40000171
Block id:
3d816fad96b965cc8116722d95816d6110ba4c2120d330145c7f5b250b86c249
Timestamp:
Sunday 30 October 2022 at 17:50:19 UTC
()
Proposer:
Authorizers:
Gas used:
47