Flow price: --
22a49158c4be09b9fcd8a016c8d9f8f2d5918eec6e4bdf38c7d566ed6c622e42

Transaction

Hash: 22a49158c4be09b9fcd8a016c8d9f8f2d5918eec6e4bdf38c7d566ed6c622e42
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 22a49158c4be09b9fcd8a016c8d9f8f2d5918eec6e4bdf38c7d566ed6c622e42:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
22a49158c4be09b9fcd8a016c8d9f8f2d5918eec6e4bdf38c7d566ed6c622e42
Status:
ERROR
Block height:
40129145
Block id:
aa77dd9b4cefd7f8e6cbdb8c0714c407e268706a124bbf4790ea3db421c1b2f1
Timestamp:
Tuesday 1 November 2022 at 21:45:10 UTC
()
Proposer:
Authorizers:
Gas used:
47