From f4c23654f84d9997782d421ecffe57f6c1d6ea4c Mon Sep 17 00:00:00 2001
From: Laurent Destailleur <eldy@destailleur.fr>
Date: Sun, 14 Feb 2021 22:44:04 +0100
Subject: [PATCH] FIX #16275 #15604

---
 htdocs/langs/en_US/cashdesk.lang | 3 ++-
 htdocs/takepos/index.php         | 9 ++++++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/htdocs/langs/en_US/cashdesk.lang b/htdocs/langs/en_US/cashdesk.lang
index 88ff8fecdb6..7263b04730a 100644
--- a/htdocs/langs/en_US/cashdesk.lang
+++ b/htdocs/langs/en_US/cashdesk.lang
@@ -56,7 +56,8 @@ Paymentnumpad=Type of Pad to enter payment
 Numberspad=Numbers Pad
 BillsCoinsPad=Coins and banknotes Pad
 DolistorePosCategory=TakePOS modules and other POS solutions for Dolibarr
-TakeposNeedsCategories=TakePOS needs product categories to work
+TakeposNeedsCategories=TakePOS needs at least one product categorie to work
+TakeposNeedsAtLeastOnSubCategoryIntoParentCategory=TakePOS needs at least 1 product category under the category <b>%s</b> to work
 OrderNotes=Order Notes
 CashDeskBankAccountFor=Default account to use for payments in
 NoPaimementModesDefined=No paiment mode defined in TakePOS configuration
diff --git a/htdocs/takepos/index.php b/htdocs/takepos/index.php
index 8062368d360..172f95c5c3d 100644
--- a/htdocs/takepos/index.php
+++ b/htdocs/takepos/index.php
@@ -140,6 +140,7 @@ if ($conf->global->TAKEPOS_ROOT_CATEGORY_ID > 0)
 		}
 	}
 }
+
 $levelofmaincategories = $levelofrootcategory + 1;
 
 $maincategories = array();
@@ -961,7 +962,13 @@ if (empty($paiementsModes)) {
 	setEventMessages($langs->trans("ProblemIsInSetupOfTerminal", $_SESSION["takeposterminal"]), null, 'errors');
 }
 if (count($maincategories) == 0) {
-	setEventMessages($langs->trans("TakeposNeedsCategories"), null, 'errors');
+	if ($conf->global->TAKEPOS_ROOT_CATEGORY_ID > 0) {
+		$tmpcategory = new Categorie($db);
+		$tmpcategory->fetch($conf->global->TAKEPOS_ROOT_CATEGORY_ID);
+		setEventMessages($langs->trans("TakeposNeedsAtLeastOnSubCategoryIntoParentCategory", $tmpcategory->label), null, 'errors');
+	} else {
+		setEventMessages($langs->trans("TakeposNeedsCategories"), null, 'errors');
+	}
 }
 // User menu and external TakePOS modules
 $menus = array();