Flow price: --
2241b8096d23e10d8839540c6096d7ae860cfe2f05b36ccda75c87d82984eab4

Transaction

Hash: 2241b8096d23e10d8839540c6096d7ae860cfe2f05b36ccda75c87d82984eab4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2241b8096d23e10d8839540c6096d7ae860cfe2f05b36ccda75c87d82984eab4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2241b8096d23e10d8839540c6096d7ae860cfe2f05b36ccda75c87d82984eab4
Status:
ERROR
Block height:
40110435
Block id:
c8a08e08a151b57a16644fd8900d311b01e84108d1d4eec6b3edc88678f6d3db
Timestamp:
Tuesday 1 November 2022 at 14:08:37 UTC
()
Proposer:
Authorizers:
Gas used:
47