Flow price: --
0f0c9241082403ecaaac5c345b8b641450205f6406c07aa80166b6af4e2cfd39

Transaction

Hash: 0f0c9241082403ecaaac5c345b8b641450205f6406c07aa80166b6af4e2cfd39
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0f0c9241082403ecaaac5c345b8b641450205f6406c07aa80166b6af4e2cfd39:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
0f0c9241082403ecaaac5c345b8b641450205f6406c07aa80166b6af4e2cfd39
Status:
ERROR
Block height:
39972754
Block id:
d92de3895ca63a6ae9ee00678be61cf2319c5db06ce5142a36a10e848f63c82d
Timestamp:
Sunday 30 October 2022 at 06:52:01 UTC
()
Proposer:
Authorizers:
Gas used:
62