[Error when attempting to copy.]

My boss wants me to make a sign for him. I normally use paint.net to create the design then I import it to our cutter software. It works fine. But earlier when trying to copy in paint.net it gave me the following error:

Spoiler

System.ComponentModel.Win32Exception (0x80004005): HeapAlloc() returned NULL (requestedSize = 140,063,232 bytes) (0, ERROR_SUCCESS)
   at PaintDotNet.SystemLayer.NativeUtilities.ThrowOnWin32Error(String message, Int32 lastWin32Error, Boolean alwaysThrow) in D:\src\pdn\src\SystemLayer\NativeUtilities.cs:line 88
   at PaintDotNet.SystemLayer.MemoryManagement.HeapBuffer..ctor(HeapAllocator heap, Int64 size, AllocationOptions flags) in D:\src\pdn\src\SystemLayer\MemoryManagement\HeapBuffer.cs:line 68
   at PaintDotNet.SystemLayer.MemoryManagement.HeapAllocator.Allocate(Int64 size, AllocationOptions flags) in D:\src\pdn\src\SystemLayer\MemoryManagement\HeapAllocator.cs:line 63
   at PaintDotNet.MemoryManagement.Proxies.AllocatorProxy.Allocate(Int64 size, AllocationOptions flags) in D:\src\pdn\src\Base\MemoryManagement\Proxies\AllocatorProxy.cs:line 56
   at PaintDotNet.IO.NativeMemoryStream.set_Capacity(Int64 value) in D:\src\pdn\src\Base\IO\NativeMemoryStream.cs:line 111
   at PaintDotNet.IO.NativeMemoryStream.EnsureCapacity(Int64 desiredCapacity) in D:\src\pdn\src\Base\IO\NativeMemoryStream.cs:line 411
   at PaintDotNet.IO.NativeMemoryStream.Write(Byte* pBuffer, Int64 count) in D:\src\pdn\src\Base\IO\NativeMemoryStream.cs:line 307
   at PaintDotNet.IO.NativeMemoryStream.Write(Byte[] buffer, Int64 offset, Int64 count) in D:\src\pdn\src\Base\IO\NativeMemoryStream.cs:line 283
   at PaintDotNet.IO.NativeMemoryStream.Write(Byte[] buffer, Int32 offset, Int32 count) in D:\src\pdn\src\Base\IO\NativeMemoryStream.cs:line 268
   at System.IO.BinaryWriter.Write(Byte[] buffer)
   at System.Runtime.Serialization.Formatters.Binary.__BinaryWriter.WriteSingleArray(NameInfo memberNameInfo, NameInfo arrayNameInfo, WriteObjectInfo objectInfo, NameInfo arrayElemTypeNameInfo, Int32 length, Int32 lowerBound, Array array)
   at System.Runtime.Serialization.Formatters.Binary.ObjectWriter.WriteArray(WriteObjectInfo objectInfo, NameInfo memberNameInfo, WriteObjectInfo memberObjectInfo)
   at System.Runtime.Serialization.Formatters.Binary.ObjectWriter.Write(WriteObjectInfo objectInfo, NameInfo memberNameInfo, NameInfo typeNameInfo)
   at System.Runtime.Serialization.Formatters.Binary.ObjectWriter.Serialize(Object graph, Header[] inHeaders, __BinaryWriter serWriter, Boolean fCheck)
   at System.Runtime.Serialization.Formatters.Binary.BinaryFormatter.Serialize(Stream serializationStream, Object graph, Header[] headers, Boolean fCheck)
   at PaintDotNet.SystemLayer.Clipboard.Transaction.<>c__DisplayClass13_0.<AddManagedData>b__0(Stream dataStream) in D:\src\pdn\src\SystemLayer\Clipboard.cs:line 335
   at PaintDotNet.SystemLayer.Clipboard.Transaction.AddRawNativeData(UInt32 formatID, Action`1 copyToStreamFn) in D:\src\pdn\src\SystemLayer\Clipboard.cs:line 363
   at PaintDotNet.SystemLayer.Clipboard.Transaction.AddManagedData(Object data) in D:\src\pdn\src\SystemLayer\Clipboard.cs:line 330
   at PaintDotNet.Actions.CopyToClipboardActionBase.PerformAction() in D:\src\pdn\src\PaintDotNet\Actions\CopyToClipboardActionBase.cs:line 98

 Any help is appreciated. Thanks!