Flow price: --
6853d4149b67a1593758d6478b7bbc6ec2e1d7ed56e705e908223e98f14aa822

Transaction

Hash: 6853d4149b67a1593758d6478b7bbc6ec2e1d7ed56e705e908223e98f14aa822
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6853d4149b67a1593758d6478b7bbc6ec2e1d7ed56e705e908223e98f14aa822:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6853d4149b67a1593758d6478b7bbc6ec2e1d7ed56e705e908223e98f14aa822
Status:
ERROR
Block height:
40115514
Block id:
8db68f28a01d3078eab7cabd7723d6504cac09cb66c7ede090420e39d80dcbdc
Timestamp:
Tuesday 1 November 2022 at 16:11:53 UTC
()
Proposer:
Authorizers:
Gas used:
50