Flow price: --
bc93c415f231850ec779d2b9713206722b199a2ba77711605af55b43135a6ffc

Transaction

Hash: bc93c415f231850ec779d2b9713206722b199a2ba77711605af55b43135a6ffc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bc93c415f231850ec779d2b9713206722b199a2ba77711605af55b43135a6ffc: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:
bc93c415f231850ec779d2b9713206722b199a2ba77711605af55b43135a6ffc
Status:
ERROR
Block height:
40023173
Block id:
66bec4e865a744313bd2ee884dc9a874bc9f1f82e71c1761c7845a12b85e6f93
Timestamp:
Monday 31 October 2022 at 02:58:01 UTC
()
Proposer:
Authorizers:
Gas used:
50