Flow price: --
9f051175334d0441f5dd20bdfa2661b2d3a9136935b6a9a6a8ae6c95876feeb9

Transaction

Hash: 9f051175334d0441f5dd20bdfa2661b2d3a9136935b6a9a6a8ae6c95876feeb9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9f051175334d0441f5dd20bdfa2661b2d3a9136935b6a9a6a8ae6c95876feeb9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9f051175334d0441f5dd20bdfa2661b2d3a9136935b6a9a6a8ae6c95876feeb9
Status:
ERROR
Block height:
39985418
Block id:
2f83ca99d5f6e36917fac1d925629a426b4f7ee46f681193a854584d01101978
Timestamp:
Sunday 30 October 2022 at 11:55:51 UTC
()
Proposer:
Authorizers:
Gas used:
51