Flow price: --
a83c2a911c44a3c4669aa2b5d458a55dbb20f4acca38d4c25e987cb187915212

Transaction

Hash: a83c2a911c44a3c4669aa2b5d458a55dbb20f4acca38d4c25e987cb187915212
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a83c2a911c44a3c4669aa2b5d458a55dbb20f4acca38d4c25e987cb187915212:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a83c2a911c44a3c4669aa2b5d458a55dbb20f4acca38d4c25e987cb187915212
Status:
ERROR
Block height:
39843750
Block id:
b9c43f86b11bb52cc09ac93e0829aaad580d8fc3d85531808b0d1fc19432e5aa
Timestamp:
Friday 28 October 2022 at 03:14:40 UTC
()
Proposer:
Authorizers:
Gas used:
46