Flow price: --
5879c815dcac098bb6291754fca3063bed98e819ab9d77a2bf3c2868ecd4a0bd

Transaction

Hash: 5879c815dcac098bb6291754fca3063bed98e819ab9d77a2bf3c2868ecd4a0bd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5879c815dcac098bb6291754fca3063bed98e819ab9d77a2bf3c2868ecd4a0bd: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:
5879c815dcac098bb6291754fca3063bed98e819ab9d77a2bf3c2868ecd4a0bd
Status:
ERROR
Block height:
40142481
Block id:
31cccce9f97d06bdb9486f37b8c3828c078377b2b82ff134c73b7aaa07ba0396
Timestamp:
Wednesday 2 November 2022 at 03:10:42 UTC
()
Proposer:
Authorizers:
Gas used:
47