When Staxel's mod manager tries to install it I get the below error.

Content Build error. Scroll down to find the error:
Staxel.ContentBuilder.Program exited with exception: System.AggregateException: Modded Content Build Error.
Caused by: ActuallyUsefulSeedMaker at workshop url
Reason:
Exception while reading patch: mods/ActuallyUsefulSeedMaker/TomatoSeeds_treasure.patch
Failed to fetch blob from resource: mods/ActuallyUsefulSeedMaker/TomatoSeeds_treasure.patch
Object reference not set to an instance of an object
(Modded Content Build Error.
Caused by: ActuallyUsefulSeedMaker at workshop url
Reason:
Exception while reading patch: mods/ActuallyUsefulSeedMaker/TomatoSeeds_treasure.patch
Failed to fetch blob from resource: mods/ActuallyUsefulSeedMaker/TomatoSeeds_treasure.patch
Object reference not set to an instance of an object
) ---> Staxel.Modding.ContentBuildException: Modded Content Build Error.
Caused by: ActuallyUsefulSeedMaker at workshop url
Reason:
Exception while reading patch: mods/ActuallyUsefulSeedMaker/TomatoSeeds_treasure.patch
Failed to fetch blob from resource: mods/ActuallyUsefulSeedMaker/TomatoSeeds_treasure.patch
Object reference not set to an instance of an object
---> System.Exception: Failed to fetch blob from resource: mods/ActuallyUsefulSeedMaker/TomatoSeeds_treasure.patch ---> System.NullReferenceException: Object reference not set to an instance of an object
at System.Collections.Generic.Dictionary`2[TKey,TValue].FindEntry (TKey key) [0x000c0] in <f1249a148cfb4110b9a02139e12e4308>:0
at System.Collections.Generic.Dictionary`2[TKey,TValue].TryGetValue (TKey key, TValue& value) [0x00000] in <f1249a148cfb4110b9a02139e12e4308>:0
at Staxel.Modding.PatchDatabase.PatchFile (System.String filepath, Plukit.Base.Blob baseBlob) [0x00000] in <4144fb72043f42228d3d51617fc57018>:0
at Staxel.Core.BlobResourceLoader.InnerFetchBlob (System.String resource, System.Collections.Generic.List`1[T] spare) [0x0006e] in <4144fb72043f42228d3d51617fc57018>:0
at Staxel.Core.BlobResourceLoader.FetchBlob (Staxel.Core.ResourceManager manager, System.String resource) [0x00006] in <4144fb72043f42228d3d51617fc57018>:0
--- End of inner exception stack trace ---
at Staxel.Core.BlobResourceLoader.FetchBlob (Staxel.Core.ResourceManager manager, System.String resource) [0x0002b] in <4144fb72043f42228d3d51617fc57018>:0
at Staxel.Modding.PatchDatabase+<>c__DisplayClass1_0.<Initialize>b__0 () [0x00005] in <4144fb72043f42228d3d51617fc57018>:0
--- End of inner exception stack trace ---
at Staxel.Modding.PatchDatabase+<>c__DisplayClass1_0.<Initialize>b__0 () [0x0003b] in <4144fb72043f42228d3d51617fc57018>:0
at Staxel.Core.WorkerManager+<>c__DisplayClass9_0`1[T].<Execute>b__0 (Staxel.Core.WorkerManager+WorkItem workItem) [0x0000b] in <4144fb72043f42228d3d51617fc57018>:0
--- End of inner exception stack trace ---
at Plukit.Base.Future`1[T].Result () [0x0004a] in <bac7a3a0d3b641b4b04155d426e01683>:0
at Staxel.Modding.PatchDatabase.Initialize (System.Boolean validate) [0x0008e] in <4144fb72043f42228d3d51617fc57018>:0
at Staxel.GameContext.Initialize (Staxel.GameContextInitFlags flags, System.String storageName) [0x000ea] in <4144fb72043f42228d3d51617fc57018>:0
at Staxel.ContentBuilder.ContentBuilderForm.DoAllSilent (System.Boolean modmanager) [0x00065] in <dfe7a4e4e27d4f229027de952cb88f0a>:0
at Staxel.ContentBuilder.Program.Main (System.String[] args) [0x002cc] in <dfe7a4e4e27d4f229027de952cb88f0a>:0
---> (Inner Exception #0) Staxel.Modding.ContentBuildException: Modded Content Build Error.
Caused by: ActuallyUsefulSeedMaker at workshop url
Reason:
Exception while reading patch: mods/ActuallyUsefulSeedMaker/TomatoSeeds_treasure.patch
Failed to fetch blob from resource: mods/ActuallyUsefulSeedMaker/TomatoSeeds_treasure.patch
Object reference not set to an instance of an object
---> System.Exception: Failed to fetch blob from resource: mods/ActuallyUsefulSeedMaker/TomatoSeeds_treasure.patch ---> System.NullReferenceException: Object reference not set to an instance of an object
at System.Collections.Generic.Dictionary`2[TKey,TValue].FindEntry (TKey key) [0x000c0] in <f1249a148cfb4110b9a02139e12e4308>:0
at System.Collections.Generic.Dictionary`2[TKey,TValue].TryGetValue (TKey key, TValue& value) [0x00000] in <f1249a148cfb4110b9a02139e12e4308>:0
at Staxel.Modding.PatchDatabase.PatchFile (System.String filepath, Plukit.Base.Blob baseBlob) [0x00000] in <4144fb72043f42228d3d51617fc57018>:0
at Staxel.Core.BlobResourceLoader.InnerFetchBlob (System.String resource, System.Collections.Generic.List`1[T] spare) [0x0006e] in <4144fb72043f42228d3d51617fc57018>:0
at Staxel.Core.BlobResourceLoader.FetchBlob (Staxel.Core.ResourceManager manager, System.String resource) [0x00006] in <4144fb72043f42228d3d51617fc57018>:0
--- End of inner exception stack trace ---
at Staxel.Core.BlobResourceLoader.FetchBlob (Staxel.Core.ResourceManager manager, System.String resource) [0x0002b] in <4144fb72043f42228d3d51617fc57018>:0
at Staxel.Modding.PatchDatabase+<>c__DisplayClass1_0.<Initialize>b__0 () [0x00005] in <4144fb72043f42228d3d51617fc57018>:0
--- End of inner exception stack trace ---
at Staxel.Modding.PatchDatabase+<>c__DisplayClass1_0.<Initialize>b__0 () [0x0003b] in <4144fb72043f42228d3d51617fc57018>:0
at Staxel.Core.WorkerManager+<>c__DisplayClass9_0`1[T].<Execute>b__0 (Staxel.Core.WorkerManager+WorkItem workItem) [0x0000b] in <4144fb72043f42228d3d51617fc57018>:0 <---