Flow price: --
18a8552905a7f22bb02cc7767fcfc2e7b859ca5947fb4085de89a1ffbced5776

Transaction

Hash: 18a8552905a7f22bb02cc7767fcfc2e7b859ca5947fb4085de89a1ffbced5776
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 18a8552905a7f22bb02cc7767fcfc2e7b859ca5947fb4085de89a1ffbced5776:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
18a8552905a7f22bb02cc7767fcfc2e7b859ca5947fb4085de89a1ffbced5776
Status:
ERROR
Block height:
40163534
Block id:
1c4ced273aed9d8dbd08aedf6eead5266302ac5cd388fa2c2a30e36268f68e10
Timestamp:
Wednesday 2 November 2022 at 11:44:23 UTC
()
Proposer:
Authorizers:
Gas used:
46