Flow price: --
6792f35228125b01531568a23bf16de0c979a3060e85942f2861e201895cb7c2

Transaction

Hash: 6792f35228125b01531568a23bf16de0c979a3060e85942f2861e201895cb7c2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6792f35228125b01531568a23bf16de0c979a3060e85942f2861e201895cb7c2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6792f35228125b01531568a23bf16de0c979a3060e85942f2861e201895cb7c2
Status:
ERROR
Block height:
39978487
Block id:
eae43d07ee39cd6062592e6cac046fa5f33b10fa1f4f87cbce9acf447d26c607
Timestamp:
Sunday 30 October 2022 at 09:09:28 UTC
()
Proposer:
Authorizers:
Gas used:
50