Flow price: --
64dad90ba760b50cb0c0552571c8a001954584395310564d2f7c84dea654f76f

Transaction

Hash: 64dad90ba760b50cb0c0552571c8a001954584395310564d2f7c84dea654f76f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 64dad90ba760b50cb0c0552571c8a001954584395310564d2f7c84dea654f76f: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:
64dad90ba760b50cb0c0552571c8a001954584395310564d2f7c84dea654f76f
Status:
ERROR
Block height:
40085182
Block id:
842e1bd496c110b358bef537f0af8e34370516ce18a1d1f478bb9295a0f50f04
Timestamp:
Tuesday 1 November 2022 at 03:53:42 UTC
()
Proposer:
Authorizers:
Gas used:
49