Flow price: --
b712affee9d771a3583795e84f6f4a79288bf49e9f01e8053b39d6244352ad08

Transaction

Hash: b712affee9d771a3583795e84f6f4a79288bf49e9f01e8053b39d6244352ad08
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b712affee9d771a3583795e84f6f4a79288bf49e9f01e8053b39d6244352ad08:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b712affee9d771a3583795e84f6f4a79288bf49e9f01e8053b39d6244352ad08
Status:
ERROR
Block height:
39935010
Block id:
2d866bdbf49ce2dce7429f93a9984dd0984f43c6679c0f7e0fe53e4f0f3e6d5b
Timestamp:
Saturday 29 October 2022 at 15:51:01 UTC
()
Proposer:
Authorizers:
Gas used:
46