Flow price: --
ecaa5413a49d04253a743ad9250646ad16e0196125e9abde0201453f9b8ac4b8

Transaction

Hash: ecaa5413a49d04253a743ad9250646ad16e0196125e9abde0201453f9b8ac4b8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ecaa5413a49d04253a743ad9250646ad16e0196125e9abde0201453f9b8ac4b8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ecaa5413a49d04253a743ad9250646ad16e0196125e9abde0201453f9b8ac4b8
Status:
ERROR
Block height:
40110385
Block id:
162daf9aa7a8719f084d9848d8958b8e50353c2caf607a59cde8b6a394fe3108
Timestamp:
Tuesday 1 November 2022 at 14:07:24 UTC
()
Proposer:
Authorizers:
Gas used:
46