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Hello everybody, i want create an OLAP cube using Knowage and connecting it with my postgresql DB. I find my first error when i installed the program and tried to start up.

Im using a Knowage 7.1.5.0 on Windows 10 (64bits)

My cmd shows this error, ill put just the first lines because is too long:

2020-06-10  1:57:25 9468 [ERROR] InnoDB: Operating system error number 3 in a file operation.
2020-06-10  1:57:25 9468 [ERROR] InnoDB: The error means the system cannot find the path specified.
2020-06-10  1:57:25 9468 [ERROR] InnoDB: If you are installing InnoDB, remember that you must create directories yourself, InnoDB does not create them.
2020-06-10  1:57:25 9468 [ERROR] InnoDB: Cannot open datafile for read-only: '.\knowage_ce\hibernate_sequences.ibd' OS error: 203
2020-06-10  1:57:25 9468 [ERROR] InnoDB: Operating system error number 203 in a file operation.
2020-06-10  1:57:25 9468 [Note] InnoDB: Some operating system error numbers are described at http://dev.mysql.com/doc/refman/5.7/en/operating-system-error-codes.html
2020-06-10  1:57:25 9468 [ERROR] InnoDB: Could not find a valid tablespace file for `knowage_ce/hibernate_sequences`. Please refer to http://dev.mysql.com/doc/refman/5.7/en/innodb-troubleshooting-datadict.html for how to resolve the issue.
2020-06-10  1:57:25 9468 [Warning] InnoDB: Ignoring tablespace for `knowage_ce`.`hibernate_sequences` because it could not be opened.
2020-06-10  1:57:25 9468 [ERROR] InnoDB: Operating system error number 3 in a file operation.
2020-06-10  1:57:25 9468 [ERROR] InnoDB: The error means the system cannot find the path specified.
2020-06-10  1:57:25 9468 [ERROR] InnoDB: If you are installing InnoDB, remember that you must create directories yourself, InnoDB does not create them.
2020-06-10  1:57:25 9468 [ERROR] InnoDB: Cannot open datafile for read-only: '.\knowage_ce\qrtz_blob_triggers.ibd' OS error: 203
2020-06-10  1:57:25 9468 [ERROR] InnoDB: Operating system error number 203 in a file operation.
2020-06-10  1:57:25 9468 [Note] InnoDB: Some operating system error numbers are described at http://dev.mysql.com/doc/refman/5.7/en/operating-system-error-codes.html
2020-06-10  1:57:25 9468 [ERROR] InnoDB: Could not find a valid tablespace file for `knowage_ce/qrtz_blob_triggers`. Please refer to http://dev.mysql.com/doc/refman/5.7/en/innodb-troubleshooting-datadict.html for how to resolve the issue.
2020-06-10  1:57:25 9468 [Warning] InnoDB: Ignoring tablespace for `knowage_ce`.`qrtz_blob_triggers` because it could not be opened.

i have seen many users with the same problems but didn't found the solutions. 

Hope someone knows where is the problem.

Thank you for the help and regards!

in Standard by (120 points)

Hi gontaru,

Which version of PostgreSQL are you using? Do you have errors in your log files? Did you follow the manual installation guide: https://knowage-suite.readthedocs.io/en/master/installation-guide/manual-installation.html?

Best regards,

Andrijana

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