In case more than one person or legal person refers to the same entity, it is possible to merge them into one person.
Step 1: Select the first person and then, while holding down the CTRL key on your keyboard, select the persons to be merged.
Step 2: Click on the merge icon in the upper right corner.
Step 3: Select a main person to merge. The persons will be merged under this same name.
Step 4: Confirm by clicking on the black check mark.
Step 5: Confirm the merge.
Note that it is not possible to perform the merge in the following cases:
Two or more persons of different types (person and legal person for example)
Two or more persons each having the status of Client / Supplier / Employee
Two or more people with different identification numbers