Codestream: Gitlab open merge request error field 'approvalsRequired'

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Error Loading Pull Request:
Field 'approvalsRequired' doesn't exist on type 'MergeRequest': {"response":{"errors":[{"message":"Field 'approvalsRequired' doesn't exist on type 'MergeRequest'","locations":[{"line":23,"column":7}],"path":["query GetPullRequest","project","mergeRequest","approvalsRequired"],"extensions":{"code":"undefinedField","typeName":"MergeRequest","fieldName":"approvalsRequired"}},{"message":"Field 'approvalsLeft' doesn't exist on type 'MergeRequest'","locations":[{"line":24,"column":7}],"path":["query GetPullRequest","project","mergeRequest","approvalsLeft"],"extensions":{"code":"undefinedField","typeName":"MergeRequest","fieldName":"approvalsLeft"}}],"status":200},"request":{"query":"query GetPullRequest($fullPath: ID!, $iid: String!, $after: String) { currentUser { name login: username avatarUrl id } project(fullPath: $fullPath) { name mergeRequestsEnabled mergeRequestsFfOnlyEnabled removeSourceBranchAfterMerge mergeRequest(iid: $iid) { approvedBy(first: 50) { nodes { avatarUrl name login: username } } id iid approvalsRequired approvalsLeft createdAt sourceBranch targetBranch title description webUrl state mergedAt workInProgress reference projectId mergeWhenPipelineSucceeds mergeableDiscussionsState author { name login: username avatarUrl } diffRefs { baseSha headSha startSha } commitCount project { name webUrl fullPath } sourceProject { name webUrl fullPath } upvotes downvotes milestone { title id webPath dueDate } subscribed userDiscussionsCount discussionLocked forceRemoveSourceBranch reviewers { nodes { id name login: username avatarUrl } } timeEstimate totalTimeSpent updatedAt userPermissions { adminMergeRequest canMerge } discussions(first: 50, after: $after) { pageInfo { endCursor hasNextPage } nodes { ...discussionFragment } } } }}fragment discussionFragment on Discussion { createdAt id notes { nodes { author { name login: username avatarUrl } body bodyHtml createdAt discussion { id replyId createdAt } id position { x y newLine newPath oldLine oldPath filePath diffRefs { baseSha headSha startSha } } project { name } resolvable resolved resolvedAt resolvedBy { login: username avatarUrl } system systemNoteIconName updatedAt userPermissions { adminNote readNote resolveNote awardEmoji createNote } } } replyId resolvable resolved resolvedAt resolvedBy { login: username avatarUrl }}"}}