Flow price: --
71febd83cfbf5976399dfd6f5b42ff4e6e7d19de328f011ccaa8a8a8052fb1c7

Transaction

Hash: 71febd83cfbf5976399dfd6f5b42ff4e6e7d19de328f011ccaa8a8a8052fb1c7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 71febd83cfbf5976399dfd6f5b42ff4e6e7d19de328f011ccaa8a8a8052fb1c7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
71febd83cfbf5976399dfd6f5b42ff4e6e7d19de328f011ccaa8a8a8052fb1c7
Status:
ERROR
Block height:
40003961
Block id:
9fd70872021e733cd8a44ccf9987e798e80865825d9da71e7e57553e68db5a46
Timestamp:
Sunday 30 October 2022 at 19:21:01 UTC
()
Proposer:
Authorizers:
Gas used:
50