Flow price: --
419763a68555ae1b1645dbf8337f709eb241f7d7e37d1806b5112c72c4fed350

Transaction

Hash: 419763a68555ae1b1645dbf8337f709eb241f7d7e37d1806b5112c72c4fed350
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 419763a68555ae1b1645dbf8337f709eb241f7d7e37d1806b5112c72c4fed350:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
419763a68555ae1b1645dbf8337f709eb241f7d7e37d1806b5112c72c4fed350
Status:
ERROR
Block height:
39988214
Block id:
4480bc7b98a00c10a54368b0b82e9d8a187a70f3d78b6703b5a4523cfb2d8117
Timestamp:
Sunday 30 October 2022 at 13:02:36 UTC
()
Proposer:
Authorizers:
Gas used:
46