Flow price: --
dda72e9a7e49523c227c213f1ab5dbdcac94fd21400430c7ae6c386cfb450628

Transaction

Hash: dda72e9a7e49523c227c213f1ab5dbdcac94fd21400430c7ae6c386cfb450628
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> dda72e9a7e49523c227c213f1ab5dbdcac94fd21400430c7ae6c386cfb450628:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
dda72e9a7e49523c227c213f1ab5dbdcac94fd21400430c7ae6c386cfb450628
Status:
ERROR
Block height:
39937474
Block id:
d7ae7dcd60533ee0d72a6a88ea377bad06e86bb22547de28674fd210b3db7145
Timestamp:
Saturday 29 October 2022 at 16:50:40 UTC
()
Proposer:
Authorizers:
Gas used:
46