[BUG] build -t watchdocs unable to process Conversions.fs

[Freymaurer]

While testing the new library strcuture with the fslab-docs template it returned an error.

API docs:
  generating model for 2 assemblies in API docs...
  loading 2 assemblies...
  registering entities for assembly ISADotNet...
  registering entities for assembly ISADotNet.XLSX...
Error :
FSharp.Compiler.ErrorLogger+UnresolvedPathReferenceNoRange: Assembly: DocumentFormat.OpenXml, full path: DocumentFormat.OpenXml.Spreadsheet.Row
   at FSharp.Compiler.TypedTree.CcuThunk.EnsureDerefable(String[] requiringPath) in F:\workspace\_work\1\s\src\fsharp\TypedTree.fs:line 5103
   at FSharp.Compiler.TypedTree.NonLocalEntityRef.TryDeref(Boolean canError) in F:\workspace\_work\1\s\src\fsharp\TypedTree.fs:line 3157
   at FSharp.Compiler.TypedTree.EntityRef.get_Deref() in F:\workspace\_work\1\s\src\fsharp\TypedTree.fs:line 3254
   at FSharp.Compiler.TypedTreeOps.stripTyEqnsA(TcGlobals g, Boolean canShortcut, TType ty) in F:\workspace\_work\1\s\src\fsharp\TypedTreeOps.fs:line 739
   at FSharp.Compiler.TypedTreeOps.tyargsEnc(TcGlobals g, FSharpList`1 gtpsType, FSharpList`1 gtpsMethod, FSharpList`1 args) in F:\workspace\_work\1\s\src\fsharp\TypedTreeOps.fs:line 8035
   at FSharp.Compiler.TypedTreeOps.typeEnc(TcGlobals g, FSharpList`1 gtpsType, FSharpList`1 gtpsMethod, TType ty) in F:\workspace\_work\1\s\src\fsharp\TypedTreeOps.fs:line 8009
   at Microsoft.FSharp.Primitives.Basics.List.map[T,TResult](FSharpFunc`2 mapping, FSharpList`1 x) in F:\workspace\_work\1\s\src\fsharp\FSharp.Core\local.fs:line 247
   at FSharp.Compiler.TypedTreeOps.XmlDocArgsEnc(TcGlobals g, FSharpList`1 gtpsType, FSharpList`1 gtpsMethod, FSharpList`1 argTys) in F:\workspace\_work\1\s\src\fsharp\TypedTreeOps.fs:line 8040
   at FSharp.Compiler.TypedTreeOps.XmlDocSigOfVal(TcGlobals g, Boolean full, String path, Val v) in F:\workspace\_work\1\s\src\fsharp\TypedTreeOps.fs:line 8090
   at FSharp.Compiler.SourceCodeServices.SymbolHelpers.GetXmlDocSigOfScopedValRef(TcGlobals g, EntityRef tcref, ValRef vref) in F:\workspace\_work\1\s\src\fsharp\symbols\SymbolHelpers.fs:line 541
   at FSharp.Compiler.SourceCodeServices.FSharpMemberOrFunctionOrValue.get_XmlDocSig() in F:\workspace\_work\1\s\src\fsharp\symbols\Symbols.fs:line 1845
   at FSharp.Formatting.ApiDocs.CrossReferences.getXmlDocSigForMember(FSharpMemberOrFunctionOrValue memb) in C:\Users\Kevin\source\repos\fsprojects\FSharp.Formatting\src\FSharp.Formatting.ApiDocs\GenerateModel.fs:line 575
   at FSharp.Formatting.ApiDocs.CrossReferenceResolver.registerMember(FSharpMemberOrFunctionOrValue memb) in C:\Users\Kevin\source\repos\fsprojects\FSharp.Formatting\src\FSharp.Formatting.ApiDocs\GenerateModel.fs:line 647
   at FSharp.Formatting.ApiDocs.CrossReferenceResolver.registerEntity(FSharpEntity entity) in C:\Users\Kevin\source\repos\fsprojects\FSharp.Formatting\src\FSharp.Formatting.ApiDocs\GenerateModel.fs:line 669
   at <StartupCode$FSharp-Formatting-ApiDocs>[email protected](FSharpEntity arg00) in C:\Users\Kevin\source\repos\fsprojects\FSharp.Formatting\src\FSharp.Formatting.ApiDocs\GenerateModel.fs:line 2149
   at Microsoft.FSharp.Collections.SeqModule.Iterate[T](FSharpFunc`2 action, IEnumerable`1 source) in F:\workspace\_work\1\s\src\fsharp\FSharp.Core\seq.fs:line 497
   at FSharp.Formatting.ApiDocs.ApiDocModel.Generate(FSharpList`1 projects, String collectionName, FSharpOption`1 libDirs, FSharpOption`1 otherFlags, Boolean qualify, FSharpOption`1 urlRangeHighlight, String root, FSharpList`1 substitutions, Boolean strict) in C:\Users\Kevin\source\repos\fsprojects\FSharp.Formatting\src\FSharp.Formatting.ApiDocs\GenerateModel.fs:line 2149
   at FSharp.Formatting.ApiDocs.ApiDocs.GenerateHtmlPhased[a](FSharpList`1 inputs, String output, String collectionName, FSharpList`1 substitutions, FSharpOption`1 template, FSharpOption`1 root, FSharpOption`1 qualify, FSharpOption`1 libDirs, FSharpOption`1 otherFlags, FSharpOption`1 urlRangeHighlight, FSharpOption`1 strict) in C:\Users\Kevin\source\repos\fsprojects\FSharp.Formatting\src\FSharp.Formatting.ApiDocs\ApiDocs.fs:line 54
   at <StartupCode$fsdocs>[email protected](Unit unitVar0) in C:\Users\Kevin\source\repos\fsprojects\FSharp.Formatting\src\FSharp.Formatting.CommandTool\BuildCommand.fs:line 601
   at <StartupCode$fsdocs>.$BuildCommand.protect@338(CoreBuildOptions this, FSharpFunc`2 f) in C:\Users\Kevin\source\repos\fsprojects\FSharp.Formatting\src\FSharp.Formatting.CommandTool\BuildCommand.fs:line 340

Maybe @kMutagene can help with this.

[kMutagene]

Related: fsprojects/FSharp.Formatting#616

[HLWeil]

Will close this, as the documentation has been moved to https://github.com/nfdi4plants/ISADotNet-docs.