Flow price: --
c0799fe07803e6e5b8d0ca33a16456cc088f9f59d890a1b8a699719160a31eb2

Transaction

Hash: c0799fe07803e6e5b8d0ca33a16456cc088f9f59d890a1b8a699719160a31eb2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c0799fe07803e6e5b8d0ca33a16456cc088f9f59d890a1b8a699719160a31eb2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c0799fe07803e6e5b8d0ca33a16456cc088f9f59d890a1b8a699719160a31eb2
Status:
ERROR
Block height:
39805860
Block id:
eb18fae9c5e7645e8ac261f69158cac0db82b8bb6499c937fc8eb969ce29b1a0
Timestamp:
Thursday 27 October 2022 at 11:57:04 UTC
()
Proposer:
Authorizers:
Gas used:
45