Flow price: --
d1f7eafe2171d9e91ea3f714e18748336aded3bd07d3c07dda9d7cfe490dfae8

Transaction

Hash: d1f7eafe2171d9e91ea3f714e18748336aded3bd07d3c07dda9d7cfe490dfae8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> d1f7eafe2171d9e91ea3f714e18748336aded3bd07d3c07dda9d7cfe490dfae8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:24


Hash:
d1f7eafe2171d9e91ea3f714e18748336aded3bd07d3c07dda9d7cfe490dfae8
Status:
ERROR
Block height:
40457423
Block id:
d0a6c4385ed3c1d54cf16673a16a872b608c19fe5e824bbbeed62b38a5ef0ccd
Timestamp:
Monday 7 November 2022 at 09:56:28 UTC
()
Proposer:
Authorizers:
Gas used:
26