When a sales rep at Northern Trail tiers to submit a discount request on an opportunity they receive an error:
Which two consideration would cause this error?

Universal Containers has a process to allow an employee to submit a vacation request and route it to the employee's manager for approval. An employee attempted to submit a request but it could not be submitted. How could the administrator troubleshoot this?

DreamHouse Realty manages Its accounts and contacts In Salesforce using a B2C account model. The business has requested that third-party loan advisors be tracked in Salesforce along with the customers they work with.
Hour should the administrator track third-party financial advisors and the customers they work with?

The VP of sales at Universal Containers has reported that users are changing the stage of opportunity records that they do not own. The VP wants only the owner of an opportunity to be able to change the stage of an opportunity-wide Default are set to pubic read/write.
Which validation rule should the administrator use to allow only the record owner to edit the stage field?

AW Computers has enabled the feature for Contact to multiple Accounts. A rep is trying to remove the primary Account from a Contact but Is unable to do so. The administrator has already updated the page layout to no longer require an Account.
What could be the issue?