Flow price: --
b6688c6b27945a25e87dbc9b24531132a3facd685906868bc08e5b9b80a777e3

Transaction

Hash: b6688c6b27945a25e87dbc9b24531132a3facd685906868bc08e5b9b80a777e3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b6688c6b27945a25e87dbc9b24531132a3facd685906868bc08e5b9b80a777e3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b6688c6b27945a25e87dbc9b24531132a3facd685906868bc08e5b9b80a777e3
Status:
ERROR
Block height:
40116723
Block id:
deed9e6d26d75d1086c252e1dac2eb9dec8406f8fc19f6fc3d232c6f76c56a80
Timestamp:
Tuesday 1 November 2022 at 16:41:00 UTC
()
Proposer:
Authorizers:
Gas used:
49