Flow price: --
60472a43724a0f7b02540c1e94eda1c6ec93bf40b90e8c6836d1c0d6da586b1b

Transaction

Hash: 60472a43724a0f7b02540c1e94eda1c6ec93bf40b90e8c6836d1c0d6da586b1b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 60472a43724a0f7b02540c1e94eda1c6ec93bf40b90e8c6836d1c0d6da586b1b: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:
60472a43724a0f7b02540c1e94eda1c6ec93bf40b90e8c6836d1c0d6da586b1b
Status:
ERROR
Block height:
39967492
Block id:
3846e73d03221ab86eeaa499eb21d737493554b0ec52d0cefaaddea98126b45b
Timestamp:
Sunday 30 October 2022 at 04:45:10 UTC
()
Proposer:
Authorizers:
Gas used:
48