Account for the new too-recently-compiled error.

services/web/app/views/project/editor/pdf.jade

@@ -76,7 +76,7 @@ div.full-size.pdf(ng-controller="PdfController")
 				i.split-screen
 	// end of toolbar
 	
-	.pdf-viewer(ng-show="pdf.url && pdf.view == 'pdf' && !pdf.failure && !pdf.timeout && !pdf.error && !pdf.renderingError && !pdf.clsiMaintenance")
+	.pdf-viewer(ng-show="pdf.url && pdf.view == 'pdf' && !pdf.failure && !pdf.timeout && !pdf.error && !pdf.renderingError && !pdf.clsiMaintenance && !pdf.tooRecentlyCompiled")
 		div(
 			pdfng
 			ng-if="settings.pdfViewer == 'pdfjs'"
@@ -98,7 +98,7 @@ div.full-size.pdf(ng-controller="PdfController")
 		i.fa.fa-level-up.fa-flip-horizontal.fa-2x
 		|   #{translate('click_here_to_preview_pdf')}
 	
-	.pdf-errors(ng-show="(pdf.timedout || pdf.error || pdf.renderingError || pdf.clsiMaintenance) && pdf.view != 'logs'")
+	.pdf-errors(ng-show="(pdf.timedout || pdf.error || pdf.renderingError || pdf.clsiMaintenance || pdf.tooRecentlyCompiled) && pdf.view != 'logs'")
 		.alert.alert-danger(ng-show="pdf.error || pdf.renderingError")
 			strong #{translate("server_error")} 
 			span #{translate("somthing_went_wrong_compiling")}
@@ -107,6 +107,10 @@ div.full-size.pdf(ng-controller="PdfController")
 			strong #{translate("server_error")} 
 			span #{translate("clsi_maintenance")}
 
+		.alert.alert-danger(ng-show="pdf.tooRecentlyCompiled")
+			strong #{translate("server_error")} 
+			span #{translate("too_recently_compiled")}
+
 		.alert.alert-danger(ng-show="pdf.timedout")
 			p
 				strong #{translate("timedout")}. 

services/web/public/coffee/ide/pdf/controllers/PdfController.coffee

@@ -38,6 +38,7 @@ define [
 			$scope.pdf.projectTooLarge = false
 			$scope.pdf.url        = null
 			$scope.pdf.clsiMaintenance = false
+			$scope.pdf.tooRecentlyCompiled = false
 
 			if response.status == "timedout"
 				$scope.pdf.timedout = true
@@ -50,6 +51,8 @@ define [
 				fetchLogs()
 			else if response.status == 'clsi-maintenance'
 				$scope.pdf.clsiMaintenance = true
+			else if response.status == "too-recently-compiled"
+				$scope.pdf.tooRecentlyCompiled = true
 			else if response.status == "success"
 				# define the base url
 				$scope.pdf.url = "/project/#{$scope.project_id}/output/output.pdf?cache_bust=#{Date.now()}"