Orange Triangle with Exclamation Point

[Mark Bonner 0]

What does the orange triangle with the exclamation point in it next to a file name designate?

[Heidi Chan 15]

Hi Mark,

Could you please upload this PDF here? 

Please rest assured that only we administrators can have access to download it. 

Thanks for your cooperation in advance. 

[Mark Bonner 0]

2018 12 Man In Mirror 02.pdf

[Heidi Chan 15]

Hi Mark,

Thanks for attaching the file. I wonder what version is installed on your computer?

It turns out that this Orange Triangle with Exclamation Point issues does not occur on my 6.8.7 version of PDFelement 6 Professional. 

Please let me know if you find out more. 

Best,