Flow price: --
644af2d20e45e7b08bb5a1f977ed98d878b47e5a1c52ce1b3c3b782d704e9a43

Transaction

Hash: 644af2d20e45e7b08bb5a1f977ed98d878b47e5a1c52ce1b3c3b782d704e9a43
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> 644af2d20e45e7b08bb5a1f977ed98d878b47e5a1c52ce1b3c3b782d704e9a43:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:24


Hash:
644af2d20e45e7b08bb5a1f977ed98d878b47e5a1c52ce1b3c3b782d704e9a43
Status:
ERROR
Block height:
40180372
Block id:
dae982763882c719df9966a8c58a2a790f6ffbb450326d7dc6c64da3f6d1229d
Timestamp:
Wednesday 2 November 2022 at 20:03:06 UTC
()
Proposer:
Authorizers:
Gas used:
28