Flow price: --
d99f0000e31c84fc82b22e56aadcf61024ef72adfc5a04e530f61a2085a419d2

Transaction

Hash: d99f0000e31c84fc82b22e56aadcf61024ef72adfc5a04e530f61a2085a419d2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d99f0000e31c84fc82b22e56aadcf61024ef72adfc5a04e530f61a2085a419d2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d99f0000e31c84fc82b22e56aadcf61024ef72adfc5a04e530f61a2085a419d2
Status:
ERROR
Block height:
40055585
Block id:
fa0f0be35e7882a5c2456adb032ee4cf07a69ae3fa14ea34c6f5c02e4f56ff91
Timestamp:
Monday 31 October 2022 at 16:02:02 UTC
()
Proposer:
Authorizers:
Gas used:
50