Flow price: --
db8889840359e44ed005b3b6e5e9f7bd87f51f56a403354b7e3576bc6cf0b7df

Transaction

Hash: db8889840359e44ed005b3b6e5e9f7bd87f51f56a403354b7e3576bc6cf0b7df
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> db8889840359e44ed005b3b6e5e9f7bd87f51f56a403354b7e3576bc6cf0b7df: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:
db8889840359e44ed005b3b6e5e9f7bd87f51f56a403354b7e3576bc6cf0b7df
Status:
ERROR
Block height:
39909166
Block id:
238a672c0613feaec040637a1eccdca3ac6cce16404d21fa4b7754bc1f6336ac
Timestamp:
Saturday 29 October 2022 at 05:25:31 UTC
()
Proposer:
Authorizers:
Gas used:
48