Flow price: --
ccd161e4211455c27c5dff02032abe97cb1945479c156c4f56cfc48e8ac93f6b

Transaction

Hash: ccd161e4211455c27c5dff02032abe97cb1945479c156c4f56cfc48e8ac93f6b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ccd161e4211455c27c5dff02032abe97cb1945479c156c4f56cfc48e8ac93f6b: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:
ccd161e4211455c27c5dff02032abe97cb1945479c156c4f56cfc48e8ac93f6b
Status:
ERROR
Block height:
40037828
Block id:
9220602520e24e58e5c29153a60314b257a43dfb2d8ff8604812d94cccd9eb76
Timestamp:
Monday 31 October 2022 at 08:51:08 UTC
()
Proposer:
Authorizers:
Gas used:
47