Flow price: --
dfefc87b63bdfc54e9b6475d4a36e4cf7004fd187ee60c16a56a008d6b47e23c

Transaction

Hash: dfefc87b63bdfc54e9b6475d4a36e4cf7004fd187ee60c16a56a008d6b47e23c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dfefc87b63bdfc54e9b6475d4a36e4cf7004fd187ee60c16a56a008d6b47e23c: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:
dfefc87b63bdfc54e9b6475d4a36e4cf7004fd187ee60c16a56a008d6b47e23c
Status:
ERROR
Block height:
39864281
Block id:
24e35533c3ca20f36c8de0c683cc42ff0adede23a5061adbb85cc72b158abf79
Timestamp:
Friday 28 October 2022 at 11:32:23 UTC
()
Proposer:
Authorizers:
Gas used:
50