Flow price: --
f5576b7784d2933680fda7afc87d6831c39f465be5e95cf84b0d3f0cf3ceb22b

Transaction

Hash: f5576b7784d2933680fda7afc87d6831c39f465be5e95cf84b0d3f0cf3ceb22b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f5576b7784d2933680fda7afc87d6831c39f465be5e95cf84b0d3f0cf3ceb22b: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:
f5576b7784d2933680fda7afc87d6831c39f465be5e95cf84b0d3f0cf3ceb22b
Status:
ERROR
Block height:
39999827
Block id:
19924df6d15070c4e81c8f08e447c90218228f1dc46ff273731f2861c17a9fa6
Timestamp:
Sunday 30 October 2022 at 17:42:06 UTC
()
Proposer:
Authorizers:
Gas used:
47