Hi,

I'm getting this error after upgrading 8.5.1 to 8.6.1. Have seen this before. Read a bug report about this and that it was resolved but I still get this issue. Any ideas?

/umbraco/backoffice/UmbracoApi/Entity/GetById?id=&type=Media 400 (Bad Request)
(anonymous) @ angular.js?cdv=1785869998:13565
sendReq @ angular.js?cdv=1785869998:13291
serverRequest @ angular.js?cdv=1785869998:13032
processQueue @ angular.js?cdv=1785869998:17948
(anonymous) @ angular.js?cdv=1785869998:17996
$digest @ angular.js?cdv=1785869998:19115
$apply @ angular.js?cdv=1785869998:19503
done @ angular.js?cdv=1785869998:13346
completeRequest @ angular.js?cdv=1785869998:13603
requestLoaded @ angular.js?cdv=1785869998:13508
load (async)
(anonymous) @ angular.js?cdv=1785869998:13491
sendReq @ angular.js?cdv=1785869998:13291
serverRequest @ angular.js?cdv=1785869998:13032
processQueue @ angular.js?cdv=1785869998:17948
(anonymous) @ angular.js?cdv=1785869998:17996
$digest @ angular.js?cdv=1785869998:19115
$apply @ angular.js?cdv=1785869998:19503
done @ angular.js?cdv=1785869998:13346
completeRequest @ angular.js?cdv=1785869998:13603
requestLoaded @ angular.js?cdv=1785869998:13508
load (async)
(anonymous) @ angular.js?cdv=1785869998:13491
sendReq @ angular.js?cdv=1785869998:13291
serverRequest @ angular.js?cdv=1785869998:13032
processQueue @ angular.js?cdv=1785869998:17948
(anonymous) @ angular.js?cdv=1785869998:17996
$digest @ angular.js?cdv=1785869998:19115
$apply @ angular.js?cdv=1785869998:19503
done @ angular.js?cdv=1785869998:13346
completeRequest @ angular.js?cdv=1785869998:13603
requestLoaded @ angular.js?cdv=1785869998:13508
load (async)
(anonymous) @ angular.js?cdv=1785869998:13491
sendReq @ angular.js?cdv=1785869998:13291
serverRequest @ angular.js?cdv=1785869998:13032
processQueue @ angular.js?cdv=1785869998:17948
(anonymous) @ angular.js?cdv=1785869998:17996
$digest @ angular.js?cdv=1785869998:19115
$apply @ angular.js?cdv=1785869998:19503
done @ angular.js?cdv=1785869998:13346
completeRequest @ angular.js?cdv=1785869998:13603
requestLoaded @ angular.js?cdv=1785869998:13508
load (async)
(anonymous) @ angular.js?cdv=1785869998:13491
sendReq @ angular.js?cdv=1785869998:13291
serverRequest @ angular.js?cdv=1785869998:13032
processQueue @ angular.js?cdv=1785869998:17948
(anonymous) @ angular.js?cdv=1785869998:17996
$digest @ angular.js?cdv=1785869998:19115
$apply @ angular.js?cdv=1785869998:19503
done @ angular.js?cdv=1785869998:13346
completeRequest @ angular.js?cdv=1785869998:13603
requestLoaded @ angular.js?cdv=1785869998:13508
load (async)
(anonymous) @ angular.js?cdv=1785869998:13491
sendReq @ angular.js?cdv=1785869998:13291
serverRequest @ angular.js?cdv=1785869998:13032
processQueue @ angular.js?cdv=1785869998:17948
(anonymous) @ angular.js?cdv=1785869998:17996
$digest @ angular.js?cdv=1785869998:19115
$apply @ angular.js?cdv=1785869998:19503
safeApply @ umbraco.services.js?cdv=1785869998:76
(anonymous) @ umbraco.services.js?cdv=1785869998:666
i @ lazyload.min.js:1
p @ lazyload.min.js:1
load (async)
k @ lazyload.min.js:1
i @ lazyload.min.js:1
p @ lazyload.min.js:1
load (async)
k @ lazyload.min.js:1
i @ lazyload.min.js:1
p @ lazyload.min.js:1
load (async)
k @ lazyload.min.js:1
i @ lazyload.min.js:1
p @ lazyload.min.js:1
load (async)
k @ lazyload.min.js:1
i @ lazyload.min.js:1
p @ lazyload.min.js:1
load (async)
k @ lazyload.min.js:1
i @ lazyload.min.js:1
p @ lazyload.min.js:1
load (async)
k @ lazyload.min.js:1
i @ lazyload.min.js:1
p @ lazyload.min.js:1
load (async)
k @ lazyload.min.js:1
i @ lazyload.min.js:1
p @ lazyload.min.js:1
load (async)
k @ lazyload.min.js:1
i @ lazyload.min.js:1
p @ lazyload.min.js:1
load (async)
k @ lazyload.min.js:1
i @ lazyload.min.js:1
p @ lazyload.min.js:1
load (async)
k @ lazyload.min.js:1
i @ lazyload.min.js:1
p @ lazyload.min.js:1
load (async)
k @ lazyload.min.js:1
i @ lazyload.min.js:1
p @ lazyload.min.js:1
load (async)
k @ lazyload.min.js:1
i @ lazyload.min.js:1
p @ lazyload.min.js:1
load (async)
k @ lazyload.min.js:1
i @ lazyload.min.js:1
p @ lazyload.min.js:1
load (async)
k @ lazyload.min.js:1
i @ lazyload.min.js:1
p @ lazyload.min.js:1
load (async)
k @ lazyload.min.js:1
js @ lazyload.min.js:1
loadJs @ umbraco.services.js?cdv=1785869998:661
(anonymous) @ umbraco.controllers.js?cdv=1785869998:25
MainController @ umbraco.controllers.js?cdv=1785869998:24
invoke @ angular.js?cdv=1785869998:5143
$controllerInit @ angular.js?cdv=1785869998:11707
nodeLinkFn @ angular.js?cdv=1785869998:10520
compositeLinkFn @ angular.js?cdv=1785869998:9835
compositeLinkFn @ angular.js?cdv=1785869998:9838
compositeLinkFn @ angular.js?cdv=1785869998:9838
publicLinkFn @ angular.js?cdv=1785869998:9700
(anonymous) @ angular.js?cdv=1785869998:1967
$eval @ angular.js?cdv=1785869998:19396
$apply @ angular.js?cdv=1785869998:19495
bootstrapApply @ angular.js?cdv=1785869998:1965
invoke @ angular.js?cdv=1785869998:5143
doBootstrap @ angular.js?cdv=1785869998:1963
bootstrap @ angular.js?cdv=1785869998:1983
(anonymous) @ Application?umb__rnd=ab1198387852137073c1091ec48977ff:106
e @ jquery.min.js?cdv=1785869998:2
t @ jquery.min.js?cdv=1785869998:2
setTimeout (async)
(anonymous) @ jquery.min.js?cdv=1785869998:2
c @ jquery.min.js?cdv=1785869998:2
add @ jquery.min.js?cdv=1785869998:2
(anonymous) @ jquery.min.js?cdv=1785869998:2
Deferred @ jquery.min.js?cdv=1785869998:2
then @ jquery.min.js?cdv=1785869998:2
k.fn.ready @ jquery.min.js?cdv=1785869998:2
(anonymous) @ Application?umb__rnd=ab1198387852137073c1091ec48977ff:104
i @ lazyload.min.js:1
p @ lazyload.min.js:1
load (async)
k @ lazyload.min.js:1
js @ lazyload.min.js:1
(anonymous) @ Application?umb__rnd=ab1198387852137073c1091ec48977ff:1
angular.js?cdv=1785869998:15570 Possibly unhandled rejection: {"errorMsg":"Failed to retrieve entity data for id ","data":{"Message":"The request is invalid.","MessageDetail":"The parameters dictionary contains a null entry for parameter 'id' of non-nullable type 'System.Int32' for method 'Umbraco.Web.Models.ContentEditing.EntityBasic GetById(Int32, Umbraco.Web.Models.ContentEditing.UmbracoEntityTypes)' in 'Umbraco.Web.Editors.EntityController'. An optional parameter must be a reference type, a nullable type, or be declared as an optional parameter."},"status":400}