Flow price: --
9cdd8596221d225e77359c17131ddee3338d161c67a4541614d700fb96cabf07

Transaction

Hash: 9cdd8596221d225e77359c17131ddee3338d161c67a4541614d700fb96cabf07
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9cdd8596221d225e77359c17131ddee3338d161c67a4541614d700fb96cabf07:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9cdd8596221d225e77359c17131ddee3338d161c67a4541614d700fb96cabf07
Status:
ERROR
Block height:
39920639
Block id:
1c4a18d1aea3ae00ba92c432651557b6093913b9a3a9fdd63f6b0ddd0bcd7edb
Timestamp:
Saturday 29 October 2022 at 10:02:12 UTC
()
Proposer:
Authorizers:
Gas used:
47