Sharepoint 2013 integration issue -

...Created",
httpMethod: "GET"
).result.d.results,
local!sharepointFilesDataSubset: todatasubset(local!sharepointQueryResult, local!pagingInfo),
a!dashboardLayout(
firstColumnContents: {
a!gridField(
label: "Files in Sharepoint",
totalCount: local!sharepointFilesDataSubset.totalCount,
columns: {
a!gridTextColumn(
label: "Name",
field: "Name",
data: local!sharepointFilesDataSubset.data.Name
),
a!gridTextColumn(
label: "Time Created",
field: "TimeCreated",
data: local!sharepointFilesDataSubset.data.TimeCreated
)
},
value: local!pagingInfo,
saveInto: local!pagingInfo
)
}
)
)
)


When I run this I see the following error -
09:27:01,710 INFO [stdout] (ajp-/0.0.0.0:8009-19) 2017-02-20 09:27:01,704 [ajp-/0.0.0.0:8009-19] ERROR com.appi...

...an.integration.sharepoint.function.SharePointInvoke - ConnectorRuntimeException [title=Error calling shpInvoke, com.appian.integration.core.exception.ConnectorRuntimeException: The external server for this system [key=sharepoint] generated an exception when calling a function [shpInvoke]. Details from external system: java.lang.IllegalArgumentException: org.codehaus.jackson.JsonParseException: Unexpected character ('?' (code 65279 / 0xfeff)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
09:27:01,710 INFO [stdout] (ajp-/0.0.0.0:8009-19) at [Source: java.io.StringReader@3cf10c61; line: 1, column: 2]]
09:27:01,710 INFO [stdout] (ajp-/0.0.0.0:8009-19) ConnectorRuntimeException [title=Error calling shpInvoke, com.appian.integration.core.exception.ConnectorRuntimeException: The external server for this system [key=sharepoint] generated an exception when calling a function [shpInvoke]. Details from external system: java.lang.IllegalA...

... rgumentException: org.codehaus.jackson.JsonParseException: Unexpected character ('?' (code 65279 / 0xfeff)): expected a valid value (number, String, array, object, 'true', 'false' or 'null')
09:27:01,710 INFO [stdout] (ajp-/0.0.0.0:8009-19) at [Source: java.io.StringReader@3cf10c61; line: 1, column: 2]]
09:27:01,710 INFO [stdout] (ajp-/0.0.0.0:8009-19)           at com.appian.integration.sharepoint.function.SharePointInvoke.sharepointinvoke_appian_internal(SharePointInvoke.java:69)
09:27:01,710 INFO [stdout] (ajp-/0.0.0.0:8009-19)           at sun.reflect.GeneratedMethodAccessor14755.invoke(Unknown Source)
Please find enclosed error details.

Can you please help me understand the cause of this issue ?

path: "/_api/Web/getfolderbyserverrelativeurl('Shared%20Documents')/Files?$select=Name,ServerRelativeUrl,TimeCreated",
httpMethod: "GET"
).result.d.results,
local!sharepointFilesDataSubset: todatasubset(local!sharepointQueryResult, local!pagingInfo),
a!dashboardLayout(
firstColumnContents: {
a!gridField(
label: "Files in Sharepoint",
totalCount: local!sharepointFilesDataSubset.totalCount,
columns: {
a!gridTextColumn(
label: "Name",
field: "Name",
data: local!sharepointFilesDataSubset.data.Name
),
a!gridTextColumn(
label: "Time Created",
field: "TimeCreated",
data: local!sharepointFilesDataSubset.data.TimeCreated
)
},
value: local!pagingInfo,
saveInto: local!pagingInfo
)
}
)
)
)

Rupak,
Did you get a solution for this issue?
I am facing the same issue while trying to integrate with Sharepoint

Yes, we were facing. Citrix receiver connection issue. We raised Appian support case and the issue got resolved.