Flow price: --
8f68cedff66dd3d2f9e9c432810a7ce91385a8adf9fd6a85b5e3ba61e0b45ea1

Transaction

Hash: 8f68cedff66dd3d2f9e9c432810a7ce91385a8adf9fd6a85b5e3ba61e0b45ea1
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8f68cedff66dd3d2f9e9c432810a7ce91385a8adf9fd6a85b5e3ba61e0b45ea1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8f68cedff66dd3d2f9e9c432810a7ce91385a8adf9fd6a85b5e3ba61e0b45ea1
Status:
ERROR
Block height:
40107507
Block id:
220bd7387c1d34a1d9df627ec2f0fdeee4778887ca9bed2663ff15861750ed5c
Timestamp:
Tuesday 1 November 2022 at 12:57:25 UTC
()
Proposer:
Authorizers:
Gas used:
50