Flow price: --
d705ede25465c8fcf299ea494cfeb5554e17d039639dbf1e32d666d0d2bb4dda

Transaction

Hash: d705ede25465c8fcf299ea494cfeb5554e17d039639dbf1e32d666d0d2bb4dda
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d705ede25465c8fcf299ea494cfeb5554e17d039639dbf1e32d666d0d2bb4dda: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:
d705ede25465c8fcf299ea494cfeb5554e17d039639dbf1e32d666d0d2bb4dda
Status:
ERROR
Block height:
39978620
Block id:
897e513df1eca926631a096d6fe69e1d95e00b9d6462f8ab915d4e8ad0883042
Timestamp:
Sunday 30 October 2022 at 09:12:41 UTC
()
Proposer:
Authorizers:
Gas used:
46