Flow price: --
b1d59fca7bb58871a592c82da5140f267e3a30e5bec5bd60a7132e03922c9eed

Transaction

Hash: b1d59fca7bb58871a592c82da5140f267e3a30e5bec5bd60a7132e03922c9eed
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b1d59fca7bb58871a592c82da5140f267e3a30e5bec5bd60a7132e03922c9eed: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:
b1d59fca7bb58871a592c82da5140f267e3a30e5bec5bd60a7132e03922c9eed
Status:
ERROR
Block height:
39999120
Block id:
e3130ca63aac19fb393f33bdcda1d244b8b496bafa7389feb94f21e0c5cb8db5
Timestamp:
Sunday 30 October 2022 at 17:25:03 UTC
()
Proposer:
Authorizers:
Gas used:
50