Flow price: --
724a234ea26e01f2f5e6ad4f3aa8feedaea1073c0a91e3c62498f63e055cf137

Transaction

Hash: 724a234ea26e01f2f5e6ad4f3aa8feedaea1073c0a91e3c62498f63e055cf137
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 724a234ea26e01f2f5e6ad4f3aa8feedaea1073c0a91e3c62498f63e055cf137:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
724a234ea26e01f2f5e6ad4f3aa8feedaea1073c0a91e3c62498f63e055cf137
Status:
ERROR
Block height:
40148783
Block id:
821a11311f079a76244e2e96dd7cc64f7831c484e08e599aafcd81c2ae586a11
Timestamp:
Wednesday 2 November 2022 at 05:44:23 UTC
()
Proposer:
Authorizers:
Gas used:
48