Flow price: --
bc864862c708d433bd82ef8fb092e908e25f20d5c4dc5772a778ce6265037f37

Transaction

Hash: bc864862c708d433bd82ef8fb092e908e25f20d5c4dc5772a778ce6265037f37
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bc864862c708d433bd82ef8fb092e908e25f20d5c4dc5772a778ce6265037f37:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bc864862c708d433bd82ef8fb092e908e25f20d5c4dc5772a778ce6265037f37
Status:
ERROR
Block height:
39876183
Block id:
786574d435e1372095050d929f1922841178975bea5f516513362e42dec0039e
Timestamp:
Friday 28 October 2022 at 16:18:02 UTC
()
Proposer:
Authorizers:
Gas used:
47