Flow price: --
60746c1c4e3d579b0e46184cdae6bcaf191666144875f93f05f1e5a2c74e520f

Transaction

Hash: 60746c1c4e3d579b0e46184cdae6bcaf191666144875f93f05f1e5a2c74e520f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 60746c1c4e3d579b0e46184cdae6bcaf191666144875f93f05f1e5a2c74e520f: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:
60746c1c4e3d579b0e46184cdae6bcaf191666144875f93f05f1e5a2c74e520f
Status:
ERROR
Block height:
39979416
Block id:
fd246998901a768a760bae10577d12574a19fb2548d7ece9974a372ad5963f41
Timestamp:
Sunday 30 October 2022 at 09:31:54 UTC
()
Proposer:
Authorizers:
Gas used:
50