Error establishing a database connections

[dank]

hello, my site dankatoda.000webhostapp.com has suddenly had a database connection error. it keeps on bringing this error and after some time it logs on.
below is the error.
Warning : mysqli_query(): MySQL server has gone away in /storage/ssd4/027/7824027/public_html/wp-includes/wp-db.php on line 792

Warning : mysqli_query(): Error reading result set’s header in /storage/ssd4/027/7824027/public_html/wp-includes/wp-db.php on line 792

Error establishing a database connection

Any help is highly appreciated.

[ckhawand]

Cause:
The database server might be experiencing some issues.

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Tip:
Try again in a couple of hours

[Infinity]

Checking your database, seems it is rate limiting.

Just wait it out.

Rate Limiting Policy

As this is free hosting, there are going to be limits. However, what is available on the 000webhost free hosting platform is often abused by spammers. Because of this, we have implemented a new policy that limits the number of concurrent MySQL connections. These new limits are as listed below. 30 concurrent connections (per database) max_queries_per_hour = 15000 (DB read) max_updates_per_hour = 5000 (DB write) These limitations are already at a premium level and are subject to change…