IO-1914 Inventory bugfixes.

client/src/components/bill-form/bill-form.lines.component.jsx

@@ -485,22 +485,33 @@ export function BillEnterModalLinesComponent({
 
         dataIndex: "actions",
         render: (text, record) => (
-          <Space wrap>
-            <Button disabled={disabled} onClick={() => remove(record.name)}>
-              <DeleteFilled />
-            </Button>
-            <Form.Item shouldUpdate noStyle>
-              {() =>
-                Simple_Inventory.treatment === "on" && (
+          <Form.Item shouldUpdate noStyle>
+            {() => (
+              <Space wrap>
+                <Button
+                  disabled={
+                    disabled ||
+                    getFieldValue("billlines")[record.fieldKey]?.inventories
+                      ?.length > 0
+                  }
+                  onClick={() => remove(record.name)}
+                >
+                  <DeleteFilled />
+                </Button>
+                {Simple_Inventory.treatment === "on" && (
                   <BilllineAddInventory
-                    disabled={!billEdit || form.isFieldsTouched()}
+                    disabled={
+                      !billEdit ||
+                      form.isFieldsTouched() ||
+                      form.getFieldValue("is_credit_memo")
+                    }
                     billline={getFieldValue("billlines")[record.fieldKey]}
                     jobid={getFieldValue("jobid")}
                   />
-                )
-              }
-            </Form.Item>
-          </Space>
+                )}
+              </Space>
+            )}
+          </Form.Item>
         ),
       },
     ];