Flow price: --
9011674e7ae85975c869d0b6c36f1f32a46a351e045b3eaa13a1949e42a878cb

Transaction

Hash: 9011674e7ae85975c869d0b6c36f1f32a46a351e045b3eaa13a1949e42a878cb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9011674e7ae85975c869d0b6c36f1f32a46a351e045b3eaa13a1949e42a878cb: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:
9011674e7ae85975c869d0b6c36f1f32a46a351e045b3eaa13a1949e42a878cb
Status:
ERROR
Block height:
39943081
Block id:
e715b7f2ab9fcaf9a17152ec81b06e1b9b6e47968437396a49a5b71ee4adb9e3
Timestamp:
Saturday 29 October 2022 at 19:05:26 UTC
()
Proposer:
Authorizers:
Gas used:
46