Flow price: --
9184c9e38dc20f891667ac20ee4d55c6c673e2d2c72272db5016230f41846d07

Transaction

Hash: 9184c9e38dc20f891667ac20ee4d55c6c673e2d2c72272db5016230f41846d07
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9184c9e38dc20f891667ac20ee4d55c6c673e2d2c72272db5016230f41846d07:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9184c9e38dc20f891667ac20ee4d55c6c673e2d2c72272db5016230f41846d07
Status:
ERROR
Block height:
39856379
Block id:
c1b26affcb3809036483175267c815ab529f41b712a437936346b3d2834b70ee
Timestamp:
Friday 28 October 2022 at 08:21:57 UTC
()
Proposer:
Authorizers:
Gas used:
46