Flow price: --
9025a73c2e94acd7da97371ce93b553ecef4e77a004e91ea1572861b850c42dd

Transaction

Hash: 9025a73c2e94acd7da97371ce93b553ecef4e77a004e91ea1572861b850c42dd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9025a73c2e94acd7da97371ce93b553ecef4e77a004e91ea1572861b850c42dd: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:
9025a73c2e94acd7da97371ce93b553ecef4e77a004e91ea1572861b850c42dd
Status:
ERROR
Block height:
39997153
Block id:
5cfcf4aa2b1a53d360a78b988849f257d26c6daf2692d01384e0faa65d92432c
Timestamp:
Sunday 30 October 2022 at 16:37:31 UTC
()
Proposer:
Authorizers:
Gas used:
47