Flow price: --
075b9a248d0cf10e4e12016c96b2cd4600cf3c9f846fdf77c6c1785b8e5d8ada

Transaction

Hash: 075b9a248d0cf10e4e12016c96b2cd4600cf3c9f846fdf77c6c1785b8e5d8ada
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 075b9a248d0cf10e4e12016c96b2cd4600cf3c9f846fdf77c6c1785b8e5d8ada: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:
075b9a248d0cf10e4e12016c96b2cd4600cf3c9f846fdf77c6c1785b8e5d8ada
Status:
ERROR
Block height:
40123817
Block id:
7b270aa30fb6e4a0e9f10ef9d43f2f4b647e355025e8844d88f346317aad83ed
Timestamp:
Tuesday 1 November 2022 at 19:34:01 UTC
()
Proposer:
Authorizers:
Gas used:
50