My code keeps getting the error: Invalid student data: $100$

Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: Index $1$ out of bounds for length $1$

at UniversitySystem.readUniversityData$($UniversitySystem$.$java:$51)$

at UniversitySystem.main$($UniversitySystem$.$java:$84)$

Here is my code:

import java.io$.$BufferedReader;

import java.io$.$FileReader;

import java.io$.$IOException;

import java.util.ArrayList;

public class UniversitySystem $\{$

private ArrayList students;

private ArrayList universities;

public UniversitySystem$()\{$

students $=$ new ArrayList;

universities $=$ new ArrayList;

$\}$

public void readStudentData$($String filename$)\{$

try $($BufferedReader reader $=$ new BufferedReader$($new FileReader$($filename$)))\{$

String line;

while $(($line $=$ reader.readLine$())!=$ null$)\{$

String$[]$ data $=$ line.split$(",")$;

if $($data$.$length $>=13)\{//$ Ensure the array has enough elements

Student student $=$ new Student$($

data$[0].$trim$(),$ data$[1].$trim$(),$ data$[2].$trim$(),//$ Trim whitespace from each field

Integer.parseInt$($data$[3].$trim$()),$ data$[4].$trim$().$charAt$(0),$

data$[5].$trim$(),$ data$[6].$trim$(),$ data$[7].$trim$(),$ data$[8].$trim$(),$ data$[9].$trim$(),$

data$[10].$trim$().$charAt$(0),$ data$[11].$trim$().$charAt$(0),$ data$[12].$trim$().$charAt$(0)$

$)$;

students.add$($student$)$;

$\}$ else $\{$

System.err.println$("$Invalid student data: $"+$ line$)$;

$\}$

$\}$

$\}$ catch $($IOException e$)\{$

System.err.println$("$Error reading student data from file: $"+$ e$.$getMessage$())$;

$\}$ catch $($NumberFormatException e$)\{$

System.err.println$("$Error parsing student age: $"+$ e$.$getMessage$())$;

$\}$ catch $($Exception e$)\{$

System.err.println$("$An unexpected error occurred: $"+$ e$.$getMessage$())$;

$\}$

$\}$

public void readUniversityData$($String filename$)$ throws IOException $\{$

BufferedReader reader $=$ new BufferedReader$($new FileReader$($filename$))$;

String line;

while $(($line $=$ reader.readLine$())!=$ null$)\{$

String$[]$ data $=$ line.split$(",")$;

University university $=$ new University$($

data$[0],$ data$[1],$ data$[2],$ data$[3],$ data$[4],$

Double.parseDouble$($data$[5]),$ Double.parseDouble$($data$[6]),$ Double.parseDouble$($data$[7]),$

Double.parseDouble$($data$[8]),$ Double.parseDouble$($data$[9]),$ Double.parseDouble$($data$[10]),$

Double.parseDouble$($data$[11]),$ Double.parseDouble$($data$[12]),$ Double.parseDouble$($data$[13]),$

Double.parseDouble$($data$[14]),$ Double.parseDouble$($data$[15])$

$)$;

universities.add$($university$)$;

$\}$

reader.close$()$;

$\}$

public void generateReports$()\{$

for $($University university : universities$)\{$

System.out.println$("$University Name: $"+$ university.getName$())$;

System.out.println$("$Students:$")$;

for $($Student student : students$)\{$

if $($student$.$getUniversity$().$equals$($university$.$getName$()))\{$

System.out.println$($student$)$;

$\}$

$\}$

System.out.println$("$Meal Plan Information:"$)$;

System.out.println$("$Meal Plan A: $$"+$ university.getStudentCostMealPlanA$())$;

System.out.println$("$Meal Plan B: $$"+$ university.getStudentCostMealPlanA$())$;

System.out.println$("$Meal Plan C: $$"+$ university.getStudentCostMealPlanA$())$;

$\}$

$\}$

public static void main$($String$[]$ args$)$ throws IOException $\{$

UniversitySystem system $=$ new UniversitySystem$()$;

system.readStudentData$("$C:$\backslash \backslash$Users$\backslash \backslash$Sarah$\backslash \backslash$Downloads$\backslash \backslash$StudentFile$-1.$txt$")$;

system.readUniversityData$("$C:$\backslash \backslash$Users$\backslash \backslash$Sarah$\backslash \backslash$Downloads$\backslash \backslash$Universities$9-1.$txt$")$;

system.generateReports$()$;

$\}$

$\}$

This is the universities txt file:

$10$

Ohio State University, $1234$ South

St$,$Columbus, OH$,43210,1234567890,150\mathrm{.}00,100\mathrm{.}00,50\mathrm{.}00,500\mathrm{.}00,450\mathrm{.}00,400\mathrm{.}00,5$

$000\mathrm{.}00,4000\mathrm{.}00,3000\mathrm{.}00,40\mathrm{.}00,35\mathrm{.}00,30\mathrm{.}00,\mathrm{.}25,10\mathrm{.}00,150\mathrm{.}00$

University of Washington, $1600$ Northeast

Ave, Seattle, WA$,88940,1987654321,235\mathrm{.}34,200\mathrm{.}12,150\mathrm{.}25,465\mathrm{.}44,388\mathrm{.}76,300\mathrm{.}05,$

$4935\mathrm{.}50,3564\mathrm{.}74,2974\mathrm{.}35,35\mathrm{.}20,30\mathrm{.}40,20\mathrm{.}00,\mathrm{.}15,20\mathrm{.}99,300\mathrm{.}00$

University of Louisiana, $700$ University

Avenue, Monroe, LA$,71209,4987654321,235\mathrm{.}34,200\mathrm{.}12,150\mathrm{.}25,465\mathrm{.}44,388\mathrm{.}76,300\mathrm{.}0$

$5,4935\mathrm{.}50,3564\mathrm{.}74,2974\mathrm{.}35,35\mathrm{.}20,30\mathrm{.}40,20\mathrm{.}00,\mathrm{.}15,20\mathrm{.}99,300\mathrm{.}00$

Oklahoma State University, $700N$ Greenwood

Ave, Tulsa, OK$,74106,2234567890,150\mathrm{.}00,100\mathrm{.}00,50\mathrm{.}00,500\mathrm{.}00,450\mathrm{.}00,400\mathrm{.}00,500$

$0\mathrm{.}00,4000\mathrm{.}00,3000\mathrm{.}00,40\mathrm{.}00,35\mathrm{.}00,30\mathrm{.}00,\mathrm{.}25,10\mathrm{.}00,150\mathrm{.}00$

George Mason University, $4400$ University

Drive, Fairfax,Virg