Flow price: --
4b20a995237956aaba0e42f19f33730ed051acfd5ed7a5f63c90392711bc1945

Transaction

Hash: 4b20a995237956aaba0e42f19f33730ed051acfd5ed7a5f63c90392711bc1945
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4b20a995237956aaba0e42f19f33730ed051acfd5ed7a5f63c90392711bc1945:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4b20a995237956aaba0e42f19f33730ed051acfd5ed7a5f63c90392711bc1945
Status:
ERROR
Block height:
39900960
Block id:
032274cbe93c26cc393555fb811bc2efa6c39e76d18ab7333cdcb5688546ce48
Timestamp:
Saturday 29 October 2022 at 02:09:03 UTC
()
Proposer:
Authorizers:
Gas used:
47