Flow price: --
d6f2c85a5140c3bd337dc7705a687cc583bad218b2de1659425ecb69ea9613f7

Transaction

Hash: d6f2c85a5140c3bd337dc7705a687cc583bad218b2de1659425ecb69ea9613f7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d6f2c85a5140c3bd337dc7705a687cc583bad218b2de1659425ecb69ea9613f7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
d6f2c85a5140c3bd337dc7705a687cc583bad218b2de1659425ecb69ea9613f7
Status:
ERROR
Block height:
39862093
Block id:
74ad6376ae14424a16cea9d7821952add141250e923324807fd5d82ed6ffbbf5
Timestamp:
Friday 28 October 2022 at 10:39:12 UTC
()
Proposer:
Authorizers:
Gas used:
51