Flow price: --
f2d52c928a18bf6f7d042b56374acefb45675c8a68b05f6fde7c37d0825cc286

Transaction

Hash: f2d52c928a18bf6f7d042b56374acefb45675c8a68b05f6fde7c37d0825cc286
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f2d52c928a18bf6f7d042b56374acefb45675c8a68b05f6fde7c37d0825cc286:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f2d52c928a18bf6f7d042b56374acefb45675c8a68b05f6fde7c37d0825cc286
Status:
ERROR
Block height:
39899655
Block id:
c9a9364cd92770c3c9bc8d65607773407605f58ff8dbfaef8a83a299d10dbdc3
Timestamp:
Saturday 29 October 2022 at 01:37:46 UTC
()
Proposer:
Authorizers:
Gas used:
49