couldn't load data for this visual

Hello,

After installing Power BI it is impossible to work visualization charts.
I have created table
Name Age
Jone 21
Susan 28
But visualization charts give massage in the following.

Feedback Type:
Frown (Error)

Timestamp:
2017-04-19T08:49:22.1410431Z

Local Time:
2017-04-19T12:49:22.1410431+04:00

Product Version:
2.45.4704.722 (PBIDesktop) (x64)

Release:
April, 2017

IE Version:
9.0.8112.16421

OS Version:
Microsoft Windows NT 6.1.7600.0 (x64 ru-RU)

CLR Version:
4.5.1 or later [Release Number = 378758]

Workbook Package Info:
1* - ru-RU, Query Groups: 0, fastCombine: Enabled, runBackgroundAnalysis: True.

Peak Working Set:
449 MB

Private Memory:
283 MB

Peak Virtual Memory:
1.76 GB

Error Message:
Couldn't retrieve the data for this visual. Please try again later.

User ID:
adeebc53-cd17-408b-a2c5-cf62e5be5690

Session ID:
207be57b-d278-4c88-902b-8d0057ce0adf

Telemetry Enabled:
True

Model Default Mode:
Import

Snapshot Trace Logs:
C:\Users\User\AppData\Local\Microsoft\Power BI Desktop\FrownSnapShot275457340.zip

Performance Trace Logs:
C:\Users\User\AppData\Local\Microsoft\Power BI Desktop\PerformanceTraces.zip

Enabled Preview Features:
PBI_allowBiDiCrossFilterInDirectQuery

Disabled Preview Features:
PBI_Impala
PBI_Snowflake
PBI_shapeMapVisualEnabled
PBI_EnableReportTheme
PBI_esriEnabled
PBI_pivotTableVisualEnabled
PBI_numericSlicerEnabled
PBI_SpanishLinguisticsEnabled
PBI_PbiServiceLiveConnect
PBI_daxTemplatesEnabled

Disabled DirectQuery Options:
PBI_DirectQuery_Unrestricted

Cloud:
GlobalCloud

Activity ID:
207be57b-d278-4c88-902b-8d0057ce0adf

Time:
Wed Apr 19 2017 12:49:17 GMT+0400 (Грузинское время (зима))

Version:
2.45.4704.722 (PBIDesktop)

Error Code:
OpenConnectionError

OData Error Message:
Failed to open the MSOLAP connection.

DPI Scale:
100%

Supported Services:
Power BI

Formulas:

section Section1;

shared Table1 = let
Source = Table.FromRows(Json.Document(Binary.Decompress(Binary.FromText("i45WKk5R0lEyUorVQTBjAQ==", BinaryEncoding.Base64), Compression.Deflate)), let _t = ((type text) meta [Serialized.Text = true]) in type table [Column1 = _t, Column2 = _t]),
#"Changed Type" = Table.TransformColumnTypes(Source,{{"Column1", type text}, {"Column2", Int64.Type}})
in
#"Changed Type";