Flow price: --
a8ca7818e4abf916af5b0d4d87660ace65a58bc34d3a38a9cad42bb68ccbcd31

Transaction

Hash: a8ca7818e4abf916af5b0d4d87660ace65a58bc34d3a38a9cad42bb68ccbcd31
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:
  --> a8ca7818e4abf916af5b0d4d87660ace65a58bc34d3a38a9cad42bb68ccbcd31:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
a8ca7818e4abf916af5b0d4d87660ace65a58bc34d3a38a9cad42bb68ccbcd31
Status:
ERROR
Block height:
41498451
Block id:
7a0813f28391b123c92a738040084cc46698d31288666872bcb566ef012dc5a4
Timestamp:
Thursday 24 November 2022 at 12:55:46 UTC
()
Proposer:
Authorizers:
Gas used:
26