Flow price: --
1718b6c6a71cec69ac54cb3849b26ab5fb10719cf089427cec5b0d1ab3171cc6

Transaction

Hash: 1718b6c6a71cec69ac54cb3849b26ab5fb10719cf089427cec5b0d1ab3171cc6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1718b6c6a71cec69ac54cb3849b26ab5fb10719cf089427cec5b0d1ab3171cc6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1718b6c6a71cec69ac54cb3849b26ab5fb10719cf089427cec5b0d1ab3171cc6
Status:
ERROR
Block height:
39857801
Block id:
589cbfc7094d5bb0dee5e63af9133f3587277b2473258e1342a3d413a3939a99
Timestamp:
Friday 28 October 2022 at 08:56:10 UTC
()
Proposer:
Authorizers:
Gas used:
48