Flow price: --
6ad4dad8b8f8e2d240682dd7d0d60e34d9f99dcacd17e65f1d90c5d20b2c72f8

Transaction

Hash: 6ad4dad8b8f8e2d240682dd7d0d60e34d9f99dcacd17e65f1d90c5d20b2c72f8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6ad4dad8b8f8e2d240682dd7d0d60e34d9f99dcacd17e65f1d90c5d20b2c72f8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6ad4dad8b8f8e2d240682dd7d0d60e34d9f99dcacd17e65f1d90c5d20b2c72f8
Status:
ERROR
Block height:
39993148
Block id:
644c9dc4b0059bbf56480bce5d44e0cae1e4fdef8a7fb0187e377e6c78932de0
Timestamp:
Sunday 30 October 2022 at 15:01:06 UTC
()
Proposer:
Authorizers:
Gas used:
58