Why is my last switch giving me red lines?

#include "MainProgram.h$"$

#include "DonationRecord.h$"$

#include

#include

#include

#include

#include

using namespace std;

vector readDonationsFromFile$($const string& filename$)$

$\{$

vector donations;

ifstream file$($filename$)$;

if $(!$file.is$\_$open$())$

$\{$

cerr $<<$ "Sorry, cannot open file." $<<$ endl;

return donations;

$\}$

string line;

$//$ Skip header

getline$($file$,$ line$)$;

while $($getline$($file$,$ line$))$

$\{$

stringstream ss$($line$)$;

string token;

vector tokens;

while $($getline$($ss$,$ token, $\text{'},\text{'}))$

$\{$

tokens.push$\_$back$($token$)$;

$\}$

if $($tokens$.$size$()==7)\{$

donations.emplace$\_$back$($tokens$[0],$ tokens$[1],$ tokens$[2],$ tokens$[3],$ tokens$[4],$ tokens$[5],$ stof$($tokens$[6]))$;

$\}$

$\}$

file.close$()$;

return donations;

$\}$

void displayHeading$()$

$\{$

cout $<<$ "United Cause Relief Agency Daily Donations" $<<$ endl;

cout $<<"-------------------------------------------------------------"<<$ endl;

cout $<<$ "Gift ID$\backslash$tCompany$\backslash$tPhone$\backslash$tPOC$\backslash$tItem Donated$\backslash$tCategory$\backslash$tValue$"<<$ endl;

cout $<<"================================================================"<<$ endl;

$\}$

void displayMenu$()$

$\{$

cout $<<$ "United Cause Relief Agency Daily Donations Reports Menu" $<<$ endl;

cout $<<"======================================================"<<$ endl;

cout $<<"1$: All by Natural Order of Input File" $<<$ endl;

cout $<<"2$: All by Company name, Ascending" $<<$ endl;

cout $<<"3$: All by Company name, Descending" $<<$ endl;

cout $<<"4$: All by Category, Ascending" $<<$ endl;

cout $<<"5$: All by Gift ID$,$ Ascending" $<<$ endl;

cout $<<"6$: One Donor only by Value, Descending" $<<$ endl;

cout $<<"0$: Exit the program" $<<$ endl;

cout $<<$ "Please select report you wish to be run from menu above $(1-6)$: $"$;

$\}$

void sortByGiftID$($vector& donations$)$

$\{$

sort$($donations$.$begin$(),$ donations.end$())$;

$\}$

void sortByCompanyNameAscending$($vector& donations$)$

$\{$

sort$($donations$.$begin$(),$ donations.end$(),[]($const DonationRecord& a$,$ const DonationRecord& b$)$

$\{$

return a$.$getDonorName$()<$ b$.$getDonorName$()$;

$\})$;

$\}$

void sortByCompanyNameDescending$($vector& donations$)$

$\{$

sort$($donations$.$begin$(),$ donations.end$(),[]($const DonationRecord& a$,$ const DonationRecord& b$)$

$\{$

return a$.$getDonorName$()>$ b$.$getDonorName$()$;

$\})$;

$\}$

void sortByCategoryAscending$($vector& donations$)$

$\{$

sort$($donations$.$begin$(),$ donations.end$(),[]($const DonationRecord& a$,$ const DonationRecord& b$)$

$\{$

return a$.$getItemCategory$()<$ b$.$getItemCategory$()$;

$\})$;

$\}$

void generateReport$($const vector& donations, int choice$)$

$\{$

vector sortedDonations $=$ donations;

switch $($choice$)$

$\{$

case $1$:

displayHeading$()$;

for $($const auto& donation : sortedDonations$)$

$\{$

donation.displayRecord$()$;

$\}$

break;

case $2$:

sortByCompanyNameAscending$($sortedDonations$)$;

break;

case $3$:

sortByCompanyNameDescending$($sortedDonations$)$;

break;

case $4$:

sortByCategoryAscending$($sortedDonations$)$;

break;

case $5$:

sortByGiftID$($sortedDonations$)$;

break;

case $6$:

string donorName;

cout $<<$ "Enter donor name: $"$;

cin $>>$ donorName;

vector filteredDonations;

for $($const auto& donation : donations$)\{$

if $($donation$.$getDonorName$()==$ donorName$)\{$

filteredDonations.push$\_$back$($donation$)$;

$\}$

$\}$

sort$($filteredDonations$.$begin$(),$ filteredDonations.end$(),[]($const DonationRecord& a$,$ const DonationRecord& b$)\{$

return a$.$getValue$()>$ b$.$getValue$()$;

$\})$;

displayHeading$()$;

for $($const auto& donation : filteredDonations$)\{$

donation.displayRecord$()$;

$\}$

break;

default:

cout $<<$ "Sorry your choice was not recognized. Please try again." $<<$ endl;

return; $//$ Return to avoid further processing

$\}$

float total $=0$;

for $($const auto& donation : sortedDonations$)$

$\{$

total $+=$ donation.getValue$()$;

$\}$

cout $<<$ "Total" $<<"\backslash$t$\backslash$t$\backslash$t$\backslash$t$\backslash$t$\backslash$t$\backslash$t$$"<<$ total $<<$ endl;

$\}$

int main$()$

$\{$

vector donations $=$ readDonationsFromFile$("$Donations$.$csv$")$;

int choice;

do $\{$

displayMenu$()$;

cin $>>$ choice;

switch $($choice$)$

$\{$

case $1$:

case $2$:

case $3$: