# Startup Error

**URL:** <https://community.wowza.com/t/startup-error/53117>\
**Category:** Wowza Streaming Engine\
**Created:** [April 4, 2019, 9:05am UTC](https://community.wowza.com/t/startup-error/53117 "2019-04-04T09:05:26Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Tester\_Tester3](https://avatars.discourse-cdn.com/v4/letter/t/96bed5/32.png) [@Tester\_Tester3](https://community.wowza.com/u/Tester_Tester3)\
**Post date:** [April 4, 2019, 9:05am UTC](https://community.wowza.com/t/startup-error/53117/1 "2019-04-04T09:05:26Z")

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Hello

When starting Wowza error appears. What does this mean and how to solve it?

```auto
ERROR server comment 2019-04-04 10:59:06 - - - - - 0.319 - - - - - - - - loadConfigProperty: type Integer () : java.lang.NumberFormatException: For input string: ""|at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)|at java.lang.Integer.parseInt(Integer.java:592)|at java.lang.Integer.parseInt(Integer.java:615)|at com.wowza.util.XMLUtils.a(XMLUtils.java:136)|at com.wowza.util.XMLUtils.loadConfigProperies(XMLUtils.java:205)|

```

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**Author:** ![Praxis\_Dr\_Nicolai\_Ru](https://avatars.discourse-cdn.com/v4/letter/p/3ec8ea/32.png) [@Praxis\_Dr\_Nicolai\_Ru](https://community.wowza.com/u/Praxis_Dr_Nicolai_Ru)\
**Post date:** [April 5, 2019, 5:39am UTC](https://community.wowza.com/t/startup-error/53117/2 "2019-04-05T05:39:58Z")

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I also got same types of error.