Flow price: --
73409befddfdbc118ae565a911905d7cff20d57a5f160f70cba2de035173ce6e

Transaction

Hash: 73409befddfdbc118ae565a911905d7cff20d57a5f160f70cba2de035173ce6e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 73409befddfdbc118ae565a911905d7cff20d57a5f160f70cba2de035173ce6e: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:
73409befddfdbc118ae565a911905d7cff20d57a5f160f70cba2de035173ce6e
Status:
ERROR
Block height:
39983728
Block id:
649f0597f73c59b8b1e255f8e61f5c409bfa659d10bacaf8402f94802566cf45
Timestamp:
Sunday 30 October 2022 at 11:14:41 UTC
()
Proposer:
Authorizers:
Gas used:
49