A problem with a .pka file of Cisco Packet Tracer course

[Andy117]

Hello everyone this is Andy, I was doing this activity (2.1.1 packet tracer create a simple network) and when I try to edit the last fields of the instructions I´m unable to do it, It only shows a text that says: "blank".

Another problem that is apparently occuring is a problem with the "Subnet Mask" of the PC, It shows that is Incorrect, when It is not.

Also the exercise is stuck in 75%.

I really apreciate if you can help me with this.

Thank you

[Martin L]

What is IP and mask right now? Are there any other clues ?  you can keep trying various masks until u get correct one. 

Attach your PT file here in a zip format; PT files must be zipped in order to be attached here

Regards, ML
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[Nightranger]

For me, IP/Subnet are both correct - However I am unable to input in the input fields.

If I hover over, I get the cursor change to show it's an input, and I can "Highlight" the field which highlights the word "blank", yet it will not accept any input from the keyboard, I am unable to copy/paste the fields into each other and thus, It is also stuck at 75% meaning the task is unable to be completed.