Flow price: --
6916dade60e55652fff84556e31a2fb5b0e4e8f80c63933f21b6b3d54b39f585

Transaction

Hash: 6916dade60e55652fff84556e31a2fb5b0e4e8f80c63933f21b6b3d54b39f585
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6916dade60e55652fff84556e31a2fb5b0e4e8f80c63933f21b6b3d54b39f585:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6916dade60e55652fff84556e31a2fb5b0e4e8f80c63933f21b6b3d54b39f585
Status:
ERROR
Block height:
40148102
Block id:
cfb8361af6f247e41834a5d763c0d9bf1e5b1174c20fd7d856e47de48c07cf30
Timestamp:
Wednesday 2 November 2022 at 05:27:56 UTC
()
Proposer:
Authorizers:
Gas used:
48