Flow price: --
b0d3bdb4e85064534a95059c62a610b18f131a90b60f57b71cba7f6e18ef9d43

Transaction

Hash: b0d3bdb4e85064534a95059c62a610b18f131a90b60f57b71cba7f6e18ef9d43
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b0d3bdb4e85064534a95059c62a610b18f131a90b60f57b71cba7f6e18ef9d43:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b0d3bdb4e85064534a95059c62a610b18f131a90b60f57b71cba7f6e18ef9d43
Status:
ERROR
Block height:
40156533
Block id:
57904fb9f706bc9be07dfe46ec5b6a3b0312a30dd5d58fee15b0e65d6e86beed
Timestamp:
Wednesday 2 November 2022 at 08:54:20 UTC
()
Proposer:
Authorizers:
Gas used:
48