Flow price: --
a146d84f9b034ca80b60fbff993adf9abdd57d521341d647a1c6f1b34697f5dd

Transaction

Hash: a146d84f9b034ca80b60fbff993adf9abdd57d521341d647a1c6f1b34697f5dd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a146d84f9b034ca80b60fbff993adf9abdd57d521341d647a1c6f1b34697f5dd: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:
a146d84f9b034ca80b60fbff993adf9abdd57d521341d647a1c6f1b34697f5dd
Status:
ERROR
Block height:
40095342
Block id:
1bc5a86cfa3b21ed32b6f2cc640177c3eb66490c4ec2d9b37db458dcf10d4011
Timestamp:
Tuesday 1 November 2022 at 08:01:48 UTC
()
Proposer:
Authorizers:
Gas used:
47