Flow price: --
9e4d5bbd5607e072739f1896d26c05116e4d25056e9faf6d1998a85f41f68cf8

Transaction

Hash: 9e4d5bbd5607e072739f1896d26c05116e4d25056e9faf6d1998a85f41f68cf8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9e4d5bbd5607e072739f1896d26c05116e4d25056e9faf6d1998a85f41f68cf8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9e4d5bbd5607e072739f1896d26c05116e4d25056e9faf6d1998a85f41f68cf8
Status:
ERROR
Block height:
39981649
Block id:
5abe80ed020cef1dd50d2ca3dac66b38143c66dc30306e18280f945a4c4ea2a7
Timestamp:
Sunday 30 October 2022 at 10:24:41 UTC
()
Proposer:
Authorizers:
Gas used:
50