Was able to change value to TRUE and move on to DateTime. another error presents itself as shown in the image uploaded to:

Entered the date and the time...

Much thanks for your timely reply. The tables include the last time of client interaction which is a datetime entity. The column appears but will not allow anything...

Appreciate the timely response. I suspected as much but as a complete novice I thought it wise to inquire. It is though the guidance of the learned that...