Flow price: --
0b8717f6c938d1238f24752fd3d624d3f37038e782a96c5bca6092ccb3693869

Transaction

Hash: 0b8717f6c938d1238f24752fd3d624d3f37038e782a96c5bca6092ccb3693869
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0b8717f6c938d1238f24752fd3d624d3f37038e782a96c5bca6092ccb3693869:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
0b8717f6c938d1238f24752fd3d624d3f37038e782a96c5bca6092ccb3693869
Status:
ERROR
Block height:
39942268
Block id:
37cca11aa90f04f47a4dddf8f2f065acdeb0e7f8c9d638643b3ad19665d5fc1e
Timestamp:
Saturday 29 October 2022 at 18:46:23 UTC
()
Proposer:
Authorizers:
Gas used:
47