correct issues

src/screens/management/Payments.tsx

@@ -1,5 +1,5 @@
 import React, { useEffect, useState, useCallback } from 'react';
-import { View, Text, StyleSheet, ActivityIndicator, ScrollView, RefreshControl, Alert, TouchableOpacity, Modal, TextInput } from 'react-native';
+import { View, Text, StyleSheet, ActivityIndicator, ScrollView, RefreshControl, Alert, TouchableOpacity, Modal, TextInput, ToastAndroid } from 'react-native';
 import { useRoute, RouteProp } from '@react-navigation/native';
 import { Ionicons } from "@react-native-vector-icons/ionicons";
 import colors from '../../components/colors';
@@ -121,12 +121,12 @@ const Payments: React.FC = () => {
         const amountToWaive = parseFloat(waiverAmount);
         
         if (isNaN(amountToWaive) || amountToWaive < 0) {
-            Alert.alert("Invalid Input", "Please enter a valid waiver amount.");
+            ToastAndroid.show("Please enter a valid waiver amount.", ToastAndroid.SHORT);
             return;
         }
 
         if (amountToWaive > currentParticipant.lateFee) {
-            Alert.alert("Invalid Amount", `Waiver cannot exceed the current late fee of ₹${currentParticipant.lateFee}.`);
+            ToastAndroid.show(`Waiver cannot exceed the current late fee of ₹${currentParticipant.lateFee}.`, ToastAndroid.SHORT);
             return;
         }
 
@@ -135,14 +135,15 @@ const Payments: React.FC = () => {
             const response = await apiCall(url, 'PUT', {}) as any;
 
             if (response && response.statusCode === 200) {
-                Alert.alert("Success", `₹${amountToWaive} has been waived successfully.`);
+                ToastAndroid.show(`₹${amountToWaive} has been waived successfully.`, ToastAndroid.SHORT);
                 setModalVisible(false);
                 onRefresh();
             } else {
                 throw new Error(response?.message || "Failed to apply waiver.");
             }
         } catch (error: any) {
-            Alert.alert("API Error", error.message);
+            ToastAndroid.show(error.message || "Failed to apply waiver.", ToastAndroid.SHORT);
+            console.error("Waive Fee Error:", error);
         }
     };