sql error when installing a module after enabling raydash module the message appear
PDOException: SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'unsigned NOT NULL COMMENT 'The session id foreign key',tokenVARCHAR(32) NOT' at line 4: CREATE TABLE {raydash_stream} (nidINT unsigned NOT NULL auto_increment COMMENT 'The table for the stream',entity_idINT unsigned NOT NULL auto_increment COMMENT 'The entity in the video stream that\ncoresponds to the token',session_idVARCHAR(128) unsigned NOT NULL COMMENT 'The session id foreign key',tokenVARCHAR(32) NOT NULL,connected_tokenVARCHAR(32) NOT NULL COMMENT 'The token this video-stream is connected', PRIMARY KEY (nid,entity_id,session_id) ) ENGINE = InnoDB DEFAULT CHARACTER SET utf8 COMMENT 'The table stores video stream'; Array ( ) in db_create_table() (line 2684 of C:\xampp\htdocs\drupal\includes\database\database.inc).
How to fix it?
The Raydash module (if it's this one) appears to be a sandbox project that isn't even hosted on Drupal.org.

Sandbox projects are not suitable for production use and usually have a number of bugs; this is what makes them sandbox projects rather than real modules on Drupal.org.

Also, the Raydash module I linked to only had one commit a year ago.  Drupal 7 has changed some since then so it's unlikely that this module would still work "out of the box" if it ever did.

I would disable the module for now and either:


Consider forking the module and fixing it yourself (giving back the patches if you succeed) or


or


Looking for a different solution.