Flow price: --
38f74799fb73f34dfe50debc5ec879a1cebc53a225425deb883e5476ab05ed1b

Transaction

Hash: 38f74799fb73f34dfe50debc5ec879a1cebc53a225425deb883e5476ab05ed1b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 38f74799fb73f34dfe50debc5ec879a1cebc53a225425deb883e5476ab05ed1b: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:
38f74799fb73f34dfe50debc5ec879a1cebc53a225425deb883e5476ab05ed1b
Status:
ERROR
Block height:
39980260
Block id:
8a79ef919f030cdc981ef0826622cb990efa41b984a3ef79b63a864ed7444059
Timestamp:
Sunday 30 October 2022 at 09:51:37 UTC
()
Proposer:
Authorizers:
Gas used:
47