Flow price: --
2b0a7449ab19914b39be61303a84a7ba2fa9e481b59701c4294b681da3c8b706

Transaction

Hash: 2b0a7449ab19914b39be61303a84a7ba2fa9e481b59701c4294b681da3c8b706
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2b0a7449ab19914b39be61303a84a7ba2fa9e481b59701c4294b681da3c8b706:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2b0a7449ab19914b39be61303a84a7ba2fa9e481b59701c4294b681da3c8b706
Status:
ERROR
Block height:
40149022
Block id:
954fa1c80ce1515bdf7a6ba296ecaf1f670aef69c681194a71ffd7c30e799995
Timestamp:
Wednesday 2 November 2022 at 05:50:04 UTC
()
Proposer:
Authorizers:
Gas used:
50