Flow price: --
86dff5815b517ea8e83fec850563213fdf611237b4a2b985bf553cba2f2349f0

Transaction

Hash: 86dff5815b517ea8e83fec850563213fdf611237b4a2b985bf553cba2f2349f0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 86dff5815b517ea8e83fec850563213fdf611237b4a2b985bf553cba2f2349f0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
86dff5815b517ea8e83fec850563213fdf611237b4a2b985bf553cba2f2349f0
Status:
ERROR
Block height:
40103965
Block id:
6913e2aa1fe2389023d8da5d9cae3f2c438789d2132fd5c5b7cc7b57fdd68b3b
Timestamp:
Tuesday 1 November 2022 at 11:31:29 UTC
()
Proposer:
Authorizers:
Gas used:
46