Connection length Error
LinkedIn's connection message has a 300 character limit if you have a Premium Licence. However if you have a Basic LinkedIn Licence, you will be limited to send up to 15-20 personalised connection requests per moth, and these invites are capped to 200 characters. Exceeding these will result in no invitations being sent and cause an error in the system.
In the contact's activity log you will see the following error:
NOTE: When using custom fields, please bare in mind that (company, title, etc..) will take up characters depends on how many letter is field has, therefore we recommend not exceeding 200 characters.
Email required Error
Some LinkedIn users might protect their account by enabling a verification process whereby you need to manually input their email address in order to be able to send them a connection request. This process cannot be automated and therefore, contacts with this verification process in place will receive an error in your New Connections campaign:
In the contact's activity log you will see the following error:
