Flow price: --
1a4c31b3b85bea3dff83f2d5719bdc32bea452c84ca5b8e4e5f990fc4f6be721

Transaction

Hash: 1a4c31b3b85bea3dff83f2d5719bdc32bea452c84ca5b8e4e5f990fc4f6be721
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1a4c31b3b85bea3dff83f2d5719bdc32bea452c84ca5b8e4e5f990fc4f6be721:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1a4c31b3b85bea3dff83f2d5719bdc32bea452c84ca5b8e4e5f990fc4f6be721
Status:
ERROR
Block height:
39876867
Block id:
aba5bb243302eac43b9896e401ddf4dfb62120c98c76f43124b01c82dac7cdb8
Timestamp:
Friday 28 October 2022 at 16:34:11 UTC
()
Proposer:
Authorizers:
Gas used:
48