You get error "Entry xxxx does not exsit in SKB1(check entry)"
Message no. 00058
It means Reconciliation Account set (xxxxxxxx) appeared not found in company code xxxx.
Reproducing the Issue
App - Manage Your Solution
Choose - Migrate Your Data
Choose Migration object - Customer or etc
In Phase - Simulate Import, you can see the mentioned error
In release 1805 we changed the rule for G/L Accounts. Therefore the behavior is now different to older releases.
But your mapping entries are already filled and confirmed from older releases.
Make the reconciliation account with leading zero in migration template and have another try.
For example 10100000 --> 0010100000
2713721 - Migration Cockpit: Entry does not exist in SKB1 and G/L Account does not exist in company code
RFC_CVI_EI_INBOUND_MAIN, Reconciliation Account set, company code, LTMC, migration cockpit, SKB1, FS00，1811 , KBA , CA-GTF-MIG , SAP S/4HANA Data Migration Cockpit Content (LTMC) , Problem