Flow price: --
b9e1a8240a864b451d26d0e6578a7498aacb50544685cee123c0b9141fa1827e

Transaction

Hash: b9e1a8240a864b451d26d0e6578a7498aacb50544685cee123c0b9141fa1827e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b9e1a8240a864b451d26d0e6578a7498aacb50544685cee123c0b9141fa1827e: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:
b9e1a8240a864b451d26d0e6578a7498aacb50544685cee123c0b9141fa1827e
Status:
ERROR
Block height:
40131111
Block id:
49c33e86307b4e7f3426c3034855e2aa15693474c2849604ab48aa2f61dd982f
Timestamp:
Tuesday 1 November 2022 at 22:34:00 UTC
()
Proposer:
Authorizers:
Gas used:
50