A PHP Error was encountered

Severity: Notice

Message: Undefined variable: upload_btn_text

Filename: pages/merge-pdf.php

Line Number: 158

Backtrace:

File: /home/u136841502/domains/babypng.com/public_html/application/views/pages/merge-pdf.php
Line: 158
Function: _error_handler

File: /home/u136841502/domains/babypng.com/public_html/application/controllers/PdfMerge.php
Line: 237
Function: view

File: /home/u136841502/domains/babypng.com/public_html/application/controllers/PdfMerge.php
Line: 277
Function: renderPage

File: /home/u136841502/domains/babypng.com/public_html/index.php
Line: 317
Function: require_once