Invalid target assignments are team assignments that are no longer valid due to changes in the target or the team member. For example, if a team member leaves the company or is reassigned to another target, their existing assignments become invalid. Invalid target assignments are shown in the Invalid Team Assignments section of the Assignments tab in the target's record. This section displays the invalid assignments for all team members who have access to the target, regardless of the ownership. Invalid target assignments can also be seen in the Invalid Target Assignments report, which is a standard report provided by Manufacturing Cloud. This report shows all the invalid assignments for the current user and their subordinates, along with the reason for the invalidity. The report can be filtered by target name, team member name, or invalidity reason. Reference: Distribute Targets and Manage Invalid Targets Unit, Manage Invalid Team Assignments

Explanation
If Sales Agreement List View is not selected, the account forecast calculation settings will not include any sales agreements in the forecast generation. This means that the forecast values will be based on other sources, such as opportunities, orders, or contracts, depending on the configuration. Sales Agreement List View is a filter that allows the admin to specify which sales agreements to include in the forecast generation based on their status, owner, or other criteria. References: Set Up and Configure Account Forecasting, Choose How Sales Agreement Actuals Are Calculated

These three user types can be selected to receive credit for an order in the Tableau CRM configuration wizard when calculating actuals against account manager targets. The configuration wizard guides users through the creation of an app from the Analytics for Manufacturing template and allows them to customize the data and settings for the app. One of the settings is to choose who gets credit for the orders, which determines how the actual revenue is attributed to the account managers. The user can select one of the following options:
* Account Owner: This option credits all orders to the account owner's actual revenue, regardless of who owns the order. This is useful when the account owner is responsible for the overall relationship and revenue of the account.
* Order Owner: This option credits all orders to the order owner's actual revenue, regardless of who owns the account. This is useful when the order owner is responsible for the individual order and revenue of the order.
* Other User: This option credits all orders to a custom user's actual revenue, based on a custom lookup field for a user on the account. This is useful when there is a different user, such as a sales engineer or a partner, who is responsible for the order and revenue of the order.
References: = Create and Share an App from the Analytics for Manufacturing Template, Salesforce Authentication - Tableau, The Configuration Wizard - Salesforce Developers

Explanation
According to the Salesforce Manufacturing Cloud documentation, you can use the Formula Builder on the Account Forecasting page in Setup to create formulas for forecast calculations. You can define your own formulas for quantity and revenue based on sales agreements, orders, opportunities, and account metrics. You can create either a single formula for all periods, or multiple formulas for different period ranges. If the forecast display period is 12 months, you can create up to 12 formulas. However, if you want to calculate an account based forecast for the next 13 months, you need to create separate formulas for periods 1-12 and period 13, because the Formula Builder does not support more than 12 periods in a single formula. This way, you can ensure that the forecast calculations are accurate and consistent for each month. References: Build Formulas to Calculate Forecast, Configure Forecast Metrics and Formulas

To delete a sales agreement, the user must have the Delete Sales Agreements permission, which is included in the Manufacturing Sales Agreement Manager permission set. This permission allows the user to delete an active, approved, canceled, or expired sales agreement, as long as it does not have any active orders associated with it. Giving the user the Delete Sales Agreements profile or the Remove Sales Agreement permission will not enable them to delete sales agreements, as these are not valid options in Salesforce Manufacturing Cloud. References: Delete a Sales Agreement, Assign the Manufacturing Permission Sets to Users.