Flow price: --
bb02f12bd9d183677fc29e79b57e6d3854c362d97a8a4ecd4fe27b78be7a60cd

Transaction

Hash: bb02f12bd9d183677fc29e79b57e6d3854c362d97a8a4ecd4fe27b78be7a60cd
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bb02f12bd9d183677fc29e79b57e6d3854c362d97a8a4ecd4fe27b78be7a60cd: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:
bb02f12bd9d183677fc29e79b57e6d3854c362d97a8a4ecd4fe27b78be7a60cd
Status:
ERROR
Block height:
39983943
Block id:
792e4d4defc08372e7701f3a10036db9a755b1145599ae34438581f39efc5372
Timestamp:
Sunday 30 October 2022 at 11:19:54 UTC
()
Proposer:
Authorizers:
Gas used:
47