Error in Power BI - .DownloadManifestResult+JsonRemoteExtensionInfoArra. Encountered unexpected char

I got an error with Power BI and the tab popped up to send more details: Below are the details and the error. Please can someone help?

Feedback Type:
Frown (Error)

Timestamp:
2025-06-26T10:28:44.7218263Z

Local Time:
2025-06-26T11:28:44.7218263+01:00

Session ID:
6ee605a0-6363-493f-811d-b3c3fb92cb9f

Release:
June 2025

Product Version:
2.144.878.0 (25.06)+9cca29236de5114792f4d7188221f91ad4a5cc50 (x64)

Stack Trace:
System.Runtime.Serialization.SerializationException
at System.Runtime.Serialization.XmlObjectSerializer.ReadObjectHandleExceptions(XmlReaderDelegator reader, Boolean verifyObjectName, DataContractResolver dataContractResolver)
at System.Runtime.Serialization.Json.DataContractJsonSerializer.ReadObject(XmlDictionaryReader reader)
at Microsoft.Data.Mashup.Preview.DownloadManifestResult.FromDownloadResponse(Stream manifest, Version targetEngineVersion, IHostTrace trace)
at Microsoft.Data.Mashup.Preview.MashupExtensionsServiceClient.GetRemoteExtensionManifest(String remoteExtensionUrl, MashupExtensionsServiceState state, MashupExtensionsServiceClientCancellationToken cancelled, IEvaluationConstants evaluationConstants)
at Microsoft.Data.Mashup.Preview.MashupExtensionsServiceLibraryProvider.FetchRemoteExtensionManifest(MashupExtensionsServiceState serviceState)
at Microsoft.Data.Mashup.Preview.MashupExtensionsServiceLibraryProvider.<>c__DisplayClass45_0.<ConfigureManifestPolling>b__1()
at Microsoft.Mashup.Host.Document.ExceptionHandlerExtensions.HandleExceptions(IExceptionHandler exceptionHandler, Action action)

PowerBINonFatalError:
{"AppName":"PBIDesktop","AppVersion":"2.144.878.0","ModuleName":"Microsoft.Data.Mashup.Preview.dll","Component":"Microsoft.Data.Mashup.Preview.DownloadManifestResult","Error":"System.Runtime.Serialization.SerializationException","MethodDef":"FromDownloadResponse","ErrorOffset":"0","ErrorCode":""}

InnerException0.Stack Trace:
at System.Xml.XmlExceptionHelper.ThrowXmlException(XmlDictionaryReader reader, XmlException exception)
at System.Runtime.Serialization.Json.XmlJsonReader.Read()
at System.Xml.XmlBaseReader.IsStartElement()
at System.Xml.XmlBaseReader.IsStartElement(XmlDictionaryString localName, XmlDictionaryString namespaceUri)
at System.Runtime.Serialization.Json.DataContractJsonSerializer.InternalIsStartObject(XmlReaderDelegator reader)
at System.Runtime.Serialization.Json.DataContractJsonSerializer.InternalReadObject(XmlReaderDelegator xmlReader, Boolean verifyObjectName)
at System.Runtime.Serialization.XmlObjectSerializer.ReadObjectHandleExceptions(XmlReaderDelegator reader, Boolean verifyObjectName, DataContractResolver dataContractResolver)

OS Version:
Microsoft Windows NT 10.0.22631.0 (x64 en-US)

CLR Version:
4.8 or later [Release Number = 533320]

Peak Virtual Memory:
70.7 GB

Private Memory:
531 MB

Peak Working Set:
602 MB

IE Version:
11.1.22621.0

User ID:
a70836c5-fdd4-440d-a422-ec63b7558689

Workbook Package Info:
1* - en-GB, Query Groups: 0, fastCombine: Disabled, runBackgroundAnalysis: False.

Telemetry Enabled:
True

Model Default Mode:
Empty

Model Version:
PowerBI_V1

Enabled Preview Features:
PBI_snowflakeAdbcVersionEnabled
PBI_shapeMapVisualEnabled
PBI_enhancedTooltips
PBI_scorecardVisual
PBI_fieldParametersSuperSwitch
PBI_setLabelOnExportPdf
PBI_oneDriveSave
PBI_oneDriveShare
PBI_odspSaveBackgroundUpload
PBI_modernOfficeFilePicker
PBI_useModernPublishDialogs
PBI_gitIntegration
PBI_tmdlInDataset
PBI_directLakeRemoteModeling
PBI_directLakeOnOneLake
PBI_newCard
PBI_buttonSlicerAuthoring
PBI_advancedSlicerTypeList
PBI_textSlicer
PBI_daxInlineCopilot
PBI_aiNarrativesVisual
PBI_qnaImproveLsdlCopilot
PBI_generateMeasureDescriptionsButton
PBI_visualCalculationsAuthoring
PBI_copilotUnifiedTooling
PBI_UserInstalledVerticaODBCDriver
PBI_sqlDbNativeArtifactsOnDesktop

Disabled Preview Features:
PBI_googleBigQueryAdbcVersionEnabled
PBI_SpanishLinguisticsEnabled
PBI_qnaLiveConnect
PBI_metricsArtifactsOnDesktop
PBI_b2bExternalDatasetSharing
PBI_onObject
PBI_publishDialogsSupportSubfolders
PBI_enhancedReportFormat
PBI_tmdlViewToggle
MashupFlight_EnableOracleBundledOdacProvider
PBI_dataFunctionActions

Disabled DirectQuery Options:
TreatHanaAsRelationalSource

Cloud:
GlobalCloud

DPI Scale:
125%

Supported Services:
Power BI

WebView2 Runtime Version:
137.0.3296.93

WebView2 SDK Version:
1.0.2365.46