[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-06 UTC."],[],["`DealError.Reason` defines errors in the `ProposalService`. Key actions include restrictions when a `Proposal`'s `isSold` status is true, preventing adding or archiving `proposal line items` or the `Proposal` itself. Other errors include missing data like seller ID, `proposal line items`, or environment. Edits require buyer approval or must be done through `EditProposalsForNegotiation`. New versions from buyers require discarding local edits or syncing with Marketplace updates before further actions. Additionally, errors may occur if the proposal is not found in Marketplace.\n"],null,["# enum DealError.Reason (v202502)\n\n**Service** \n[ProposalLineItemService](/ad-manager/api/reference/v202502/ProposalLineItemService.DealError.Reason) **ProposalService** [PublisherQueryLanguageService](/ad-manager/api/reference/v202502/PublisherQueryLanguageService.DealError.Reason) **Dependencies** \n[DealError](/ad-manager/api/reference/v202502/ProposalService.DealError) \n▼\n**DealError.Reason**\n\nThe reasons for the target error.\n\n*** ** * ** ***\n\nNamespace\n:\n `https://www.google.com/apis/ads/publisher/v202502`\n\n| Enumeration | Description |\n|------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `CANNOT_ADD_LINE_ITEM_WHEN_SOLD` | Cannot add new [proposal line items](/ad-manager/api/reference/v202502/ForecastService.ProposalLineItem) to a [Proposal](/ad-manager/api/reference/v202502/ProposalService.Proposal) when [Proposal.isSold](/ad-manager/api/reference/v202502/ProposalService.Proposal#isSold) is `true`. |\n| `CANNOT_ARCHIVE_LINE_ITEM_WHEN_SOLD` | Cannot archive [proposal line items](/ad-manager/api/reference/v202502/ForecastService.ProposalLineItem) from a [Proposal](/ad-manager/api/reference/v202502/ProposalService.Proposal) when [Proposal.isSold](/ad-manager/api/reference/v202502/ProposalService.Proposal#isSold) is `true`. |\n| `CANNOT_ARCHIVE_PROPOSAL_WHEN_SOLD` | Cannot archive a [Proposal](/ad-manager/api/reference/v202502/ProposalService.Proposal) when [Proposal.isSold](/ad-manager/api/reference/v202502/ProposalService.Proposal#isSold) is `true`. |\n| `CANNOT_CHANGE_FIELD_REQUIRING_BUYER_APPROVAL` | Cannot change a field that requires buyer approval during the current operation. |\n| `CANNOT_GET_SELLER_ID` | Cannot find seller ID for the [Proposal](/ad-manager/api/reference/v202502/ProposalService.Proposal). |\n| `CAN_ONLY_EXECUTE_IF_LOCAL_EDITS` | [Proposal](/ad-manager/api/reference/v202502/ProposalService.Proposal) must be marked as editable by [EditProposalsForNegotiation](/ad-manager/api/reference/v202502/ProposalService.EditProposalsForNegotiation) before performing requested action. |\n| `MISSING_PROPOSAL_LINE_ITEMS` | [Proposal](/ad-manager/api/reference/v202502/ProposalService.Proposal) contains no [proposal line items](/ad-manager/api/reference/v202502/ForecastService.ProposalLineItem). |\n| `MISSING_ENVIRONMENT` | No environment set for [Proposal](/ad-manager/api/reference/v202502/ProposalService.Proposal). |\n| `MISSING_AD_EXCHANGE_PROPERTY` | The Ad Exchange property is not associated with the current network. |\n| `CANNOT_FIND_PROPOSAL_IN_MARKETPLACE` | Cannot find [Proposal](/ad-manager/api/reference/v202502/ProposalService.Proposal) in Marketplace. |\n| `CANNOT_GET_PRODUCT` | No `Product` exists for buyer-initiated programmatic [proposals](/ad-manager/api/reference/v202502/ProposalService.Proposal). |\n| `NEW_VERSION_FROM_BUYER` | A new version of the [Proposal](/ad-manager/api/reference/v202502/ProposalService.Proposal) was sent from buyer, cannot execute the requested action before performing [DiscardLocalVersionEdits](/ad-manager/api/reference/v202502/ProposalService.DiscardLocalVersionEdits). |\n| `PROPOSAL_OUT_OF_SYNC_WITH_MARKETPLACE` | A new version of the [Proposal](/ad-manager/api/reference/v202502/ProposalService.Proposal) exists in Marketplace, cannot execute the requested action before the proposal is synced to newest revision. |\n| `NO_PROPOSAL_CHANGES_FOUND` | No [Proposal](/ad-manager/api/reference/v202502/ProposalService.Proposal) changes were found. |\n| `UNKNOWN` | The value returned if the actual value is not exposed by the requested API version. |"]]