Error in extension installing-opencart2

When i'm installing the extension it gives the following error.

SyntaxError: JSON.parse: unexpected character at line 1 column 1 of the JSON data

OK


Warning: POST Content-Length of 12255610 bytes exceeds the limit of 8388608 bytes in Unknown on line 0
{"error":"File could not be uploaded!"}

Please help me to fix this error.Thank You in advance.


ANSWERS:


I made following changes in php.ini file

1.max_input_time=120

2.memory_limit=256M

3.post_max_size=64M

4.upload_max_filesize=64M

after save these changes please start Apache.

My error now fixed.Thank You.



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