Flow price: --
c69aed84538093d984964d38a7a6ef26d84fdff3c16da5b8c5fffb05e5d68cd3

Transaction

Hash: c69aed84538093d984964d38a7a6ef26d84fdff3c16da5b8c5fffb05e5d68cd3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c69aed84538093d984964d38a7a6ef26d84fdff3c16da5b8c5fffb05e5d68cd3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c69aed84538093d984964d38a7a6ef26d84fdff3c16da5b8c5fffb05e5d68cd3
Status:
ERROR
Block height:
39849945
Block id:
f25a8a49bb3626d158926939035cd2481b461204fe34f06e1ab4ee94ccf16368
Timestamp:
Friday 28 October 2022 at 05:44:05 UTC
()
Proposer:
Authorizers:
Gas used:
68