Flow price: --
4476a4d5bee4175db0c2c09c20c30dbc47ce7c441592f1dc8fdf794d42bce406

Transaction

Hash: 4476a4d5bee4175db0c2c09c20c30dbc47ce7c441592f1dc8fdf794d42bce406
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4476a4d5bee4175db0c2c09c20c30dbc47ce7c441592f1dc8fdf794d42bce406:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4476a4d5bee4175db0c2c09c20c30dbc47ce7c441592f1dc8fdf794d42bce406
Status:
ERROR
Block height:
39928564
Block id:
79ee86a989dbc06e65927fe05454055b906f8d75de1e1f8372535baa235a2d3f
Timestamp:
Saturday 29 October 2022 at 13:14:32 UTC
()
Proposer:
Authorizers:
Gas used:
46