Auto Invoice Error : Invalid Value of Conversion Type (CONVERSION_TYPE)

When we run the Auto Invoice Import Program the record errors out with the details Invalid Value of Conversion Type (CONVERSION_TYPE).
This Error occurs because of the below reason :

1. The Conversion Type Specified is not defined in the system
2. Some times the user by mistake updates the value of USER_CONVERSION_TYPE of the table : GL_DAILY_CONVERSION_TYPES where as the value needs to be picked from the field CONVERSION_TYPE.

Auto Invoice Error : The supplied unit of measure and the primary unit of measure of your system item must share the same unit of

When importing invoice from ra_interface_lines_All table the user can be faced with an error : The supplied unit of measure and the primary unit of measure of your system item must share the same unit of.
This error message is generally reported because of either of the below reason:

1. The Unit of Measure specified for the item in ra_interface_lines_all is different from what is specified in the item setup
2. The item is not assigned to the warehouse for which the invoice line is being tried to be imported