Flow price: --
6309059f65db0e49f7a5c059d9445b0b36bc291dd837fa0becf9b519d3d5d7f2

Transaction

Hash: 6309059f65db0e49f7a5c059d9445b0b36bc291dd837fa0becf9b519d3d5d7f2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6309059f65db0e49f7a5c059d9445b0b36bc291dd837fa0becf9b519d3d5d7f2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6309059f65db0e49f7a5c059d9445b0b36bc291dd837fa0becf9b519d3d5d7f2
Status:
ERROR
Block height:
39880090
Block id:
60b589ae3dd6650d0360135bdb08ed5c15d18de0e36191f3805920871e76146e
Timestamp:
Friday 28 October 2022 at 17:51:42 UTC
()
Proposer:
Authorizers:
Gas used:
47