whatsapp massage error from pos invoice

Dear sir
i try for following tdl code, This code is perfectly working in tax invoice and sending whatsapp properly, but in pos it shows error for phone number, i try a lot but unable to find and solve. so please request you to help and assist.
following is the tdl code........

[#FormOS invoice]

On : Form Accept: @@Issales: CALL : SendWhatsAppSMS2


[Function: SendWhatsAppSMS2]
10 : QUERYBOX : "Send WhatsApp to the Customer... Sure (y/n) ?" : Yes:No
20 : IF : $$LastResult
30 : CALL : SendWhatsAppMessege2
40 : ENDIF

[Function: SendWhatsAppMessege2]
10 : Browse URL : "http://web.whatsapp.com/send?Phone=" + @@mobileno+ +"&text=" + @@SmsMesseges



[#Form:sales color]
On : Form Accept: @@Issales: CALL : SendWhatsAppSMS1



[Function: SendWhatsAppSMS1]
10 : QUERYBOX : "Send WhatsApp to the Customer... Sure (y/n) ?" : Yes:No
20 : IF : $$LastResult
30 : CALL : SendWhatsAppMessege1
40 : ENDIF

[Function: SendWhatsAppMessege1]
10 : Browse URL : "http://web.whatsapp.com/send?Phone=" + @@mobileno+ +"&text=" + @@SmsMesseges

[System: Formula]
Mobileno : $$String:"91" + $Ledgermobile:Ledger:$Ledgername
SmsMesseges : "Dear,%20"+$$string:$partyname +"%20Your%20Invoice%20No:%20"+$$String:$VoucherNumber+",%20Amount%20Rs.%20"+$$String:$amount+"%20Date%20:%20"+$$String:##VARVchDate+"%20Qty:%20"+$$string:$BilledQty+",%20Has%20Been%20Generated.%20"+"Your%20Outstanding(Payment%20Due)%20Is%20Rs.%20"+$$string:$partyclbalance+"%20If Any Quarry Please Contact 9427509237 Urgently,%20"+"%20Regards :%20"+$$String:$companyName

 

Add the Contact Number you are trying to send message to in your Mobile contacts and try again.