Flow price: --
d8b2afbdc0f2683a66406fecec54eefa31d520b54b0f0a1b0e38eea7eafd5e22

Transaction

Hash: d8b2afbdc0f2683a66406fecec54eefa31d520b54b0f0a1b0e38eea7eafd5e22
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d8b2afbdc0f2683a66406fecec54eefa31d520b54b0f0a1b0e38eea7eafd5e22:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d8b2afbdc0f2683a66406fecec54eefa31d520b54b0f0a1b0e38eea7eafd5e22
Status:
ERROR
Block height:
39843767
Block id:
84936c7250804a9fa56ba003f1905ab099d8b5580cfb1d03a281b8c14f5694a9
Timestamp:
Friday 28 October 2022 at 03:15:05 UTC
()
Proposer:
Authorizers:
Gas used:
48