Flow price: --
c28a12b8e47a0d6616de6cc05a06a453987cc55fbc7625ae52f8006a6eb0b5ce

Transaction

Hash: c28a12b8e47a0d6616de6cc05a06a453987cc55fbc7625ae52f8006a6eb0b5ce
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c28a12b8e47a0d6616de6cc05a06a453987cc55fbc7625ae52f8006a6eb0b5ce: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:
c28a12b8e47a0d6616de6cc05a06a453987cc55fbc7625ae52f8006a6eb0b5ce
Status:
ERROR
Block height:
40041745
Block id:
65140cfb60c314dcc5767ae3d012b4c31ed48f8b7d2c97c52aac131f942a108b
Timestamp:
Monday 31 October 2022 at 10:26:43 UTC
()
Proposer:
Authorizers:
Gas used:
46