update doc

Signed-off-by: Nshawn_he <shawn.he@huawei.com>

en/application-dev/reference/errorcodes/errorcode-update.md

+# Update Error Codes
+
+## 11500104 IPC Error
+
+**Error Message**
+
+BusinessError 11500104: IPC error.
+
+**Description**
+
+This error code is reported if an exception is thrown during an IPC call.
+
+**Possible Causes**
+
+An IPC API call failed.
+
+**Solution**
+
+1. Check whether the update system ability has started. If not, start it.
+2. Check whether IPC data conversion is normal. If not, check the conversion process.