Flow price: --
02248fb7d080783832d7fa891e13487e43cfdd50e02c7e576746af61baebc080

Transaction

Hash: 02248fb7d080783832d7fa891e13487e43cfdd50e02c7e576746af61baebc080
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 02248fb7d080783832d7fa891e13487e43cfdd50e02c7e576746af61baebc080:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
02248fb7d080783832d7fa891e13487e43cfdd50e02c7e576746af61baebc080
Status:
ERROR
Block height:
39974322
Block id:
4b5eccb86437a988a078fcba5c6ea206238d639c83251c27681f3aefd6f02f96
Timestamp:
Sunday 30 October 2022 at 07:30:15 UTC
()
Proposer:
Authorizers:
Gas used:
46