Flow price: --
d47e59ac57875b3622d7f7953625a881266774f3e3ff643bf48f2a5e29a182f6

Transaction

Hash: d47e59ac57875b3622d7f7953625a881266774f3e3ff643bf48f2a5e29a182f6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d47e59ac57875b3622d7f7953625a881266774f3e3ff643bf48f2a5e29a182f6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d47e59ac57875b3622d7f7953625a881266774f3e3ff643bf48f2a5e29a182f6
Status:
ERROR
Block height:
39751512
Block id:
dd6e6449978b93154354b8153e712195be720f07ea4d013744fa7e94afda0bbb
Timestamp:
Wednesday 26 October 2022 at 14:03:01 UTC
()
Proposer:
Authorizers:
Gas used:
50