Flow price: --
5e4cd4afeb64343477dc578e35c6a491c78d940e54ba9e9d10564d488a606c5c

Transaction

Hash: 5e4cd4afeb64343477dc578e35c6a491c78d940e54ba9e9d10564d488a606c5c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5e4cd4afeb64343477dc578e35c6a491c78d940e54ba9e9d10564d488a606c5c: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:
5e4cd4afeb64343477dc578e35c6a491c78d940e54ba9e9d10564d488a606c5c
Status:
ERROR
Block height:
40054561
Block id:
8f98eace69ca83ef5223add92c628473dd541b50ce372e4204b30121f907490f
Timestamp:
Monday 31 October 2022 at 15:36:56 UTC
()
Proposer:
Authorizers:
Gas used:
50