Flow price: --
87e83b36ea0dafea3230b4e848c9e3d40748e4766e6a6f6c2b6d57efa6548edc

Transaction

Hash: 87e83b36ea0dafea3230b4e848c9e3d40748e4766e6a6f6c2b6d57efa6548edc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 87e83b36ea0dafea3230b4e848c9e3d40748e4766e6a6f6c2b6d57efa6548edc: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:
87e83b36ea0dafea3230b4e848c9e3d40748e4766e6a6f6c2b6d57efa6548edc
Status:
ERROR
Block height:
39904512
Block id:
64b84334e67ae7e0195c2febbb55cddaa54ba9431629d9c22aa9b8262d84b249
Timestamp:
Saturday 29 October 2022 at 03:34:01 UTC
()
Proposer:
Authorizers:
Gas used:
47