Informational messages that may help to understand what JAL does but doesn't require any special attention.
- Tax adjustment for dividend: X.XX -> Y.YY (divided description)
Some brokers (e.g. Interactive Brokers) change dividend tax retrospectively sometimes. This message indicates when such an event happens during broker statement import.
These are warnings that indicate something unexpected have happened. It doesn't necessarily a problem but good practice is to check and understand the reason.
It indicates a problem that JAL was not able to cope with. You need to check and correct it.
- Results value of corporate action doesn't match 100% of initial asset value. Date: ... If security undergo a corporate action then its cost basis should be fully distributed across results of corporate action according to Company's financial statement (e.g. Form 8937 for US securities). I.e. if stock A is converted into stocks B and C as result of corporate action then we need to declare X% of A's cost basis is allocated to B and Y% is allocated to C. While having X + Y equal to 100%. In order to make it you should locate corporate action in a list of operations and set shares of assets in results table.