Flow price: --
d0f8b8461b8eb9859144d60835989e69c3afb46395f60cbaa8d7e87a5720a2c8

Transaction

Hash: d0f8b8461b8eb9859144d60835989e69c3afb46395f60cbaa8d7e87a5720a2c8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d0f8b8461b8eb9859144d60835989e69c3afb46395f60cbaa8d7e87a5720a2c8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d0f8b8461b8eb9859144d60835989e69c3afb46395f60cbaa8d7e87a5720a2c8
Status:
ERROR
Block height:
39800806
Block id:
b34d4aa2652d0b46075c327fc29c4d3ba9db751e4ac16d00ce3220a5c66dd297
Timestamp:
Thursday 27 October 2022 at 09:54:51 UTC
()
Proposer:
Authorizers:
Gas used:
48