Flow price: --
1a5bf456860e79d93cfc58dca3f4ca6d77dfd6f9a8b75f7965d66935daf68216

Transaction

Hash: 1a5bf456860e79d93cfc58dca3f4ca6d77dfd6f9a8b75f7965d66935daf68216
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1a5bf456860e79d93cfc58dca3f4ca6d77dfd6f9a8b75f7965d66935daf68216:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1a5bf456860e79d93cfc58dca3f4ca6d77dfd6f9a8b75f7965d66935daf68216
Status:
ERROR
Block height:
40038053
Block id:
0d3e674eb012070f6e881c14d73c85fdd6251542c1c8064416263512b41c72dc
Timestamp:
Monday 31 October 2022 at 08:56:46 UTC
()
Proposer:
Authorizers:
Gas used:
50