I'm using the scrip from Github to export from PS CC and each time a single image will not import into Spine. It is the same piece "L_Lower_Leg" each and every time.
Spine Launcher 4.0.44
Esoteric Software LLC (C) 2013-2021 | http://esotericsoftware.com
Windows 10 Pro amd64 10.0
NVIDIA Corporation, GeForce GTX 1060 6GB/PCIe/SSE2, 4.6.0 NVIDIA 462.59
Starting: Spine 4.0.13 Professional
Spine 4.0.13 Professional
Licensed to: *****, *****
Started.
OpenAL 1.1, Default audio device
ERROR: Unable to read image file: E:/UE5_Projects/UE52DSideScroller/RawAssets/Photoshop/Puff/images/L_Lower_Leg.png
[error] Couldn't load dependencies of asset: E:/UE5_Projects/UE52DSideScroller/RawAssets/Photoshop/Puff/images/L_Lower_Leg.png
at s.qVn.S(_:119)
at s.qVn._(_:91)
at s.lpT4.S(_:577)
at s.lpT4.D(_:428)
at s.lpT4._(_:442)
at s.StQ._(_:87)
at s.ubH.B(_:977)
at s.FSW.D(_:458)
at s.SUa.run(_:267)
<events>
Cause: s.fpx: java.lang.RuntimeException: javax.imageio.IIOException: Error reading PNG image data
at s.sdp._(_:46)
at s.qVn.S(_:117) ...
Cause: [error] javax.imageio.IIOException: Error reading PNG image data
at s.YDu._(_:111)
at s.YDu._(_:25)
at s.qVn._(_:71)
at s.qVn._(_:35)
at s.SOV.call(_:64)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Cause: javax.imageio.IIOException: Error reading PNG image data
at com.sun.imageio.plugins.png.PNGImageReader.readImage(Unknown Source)
at com.sun.imageio.plugins.png.PNGImageReader.read(Unknown Source)
at s.QLb._(_:118)
at s.QLb._(_:168)
at s.YDu._(_:36) ...
Cause: [zip] incorrect data check
at java.util.zip.InflaterInputStream.read(Unknown Source)
at java.io.BufferedInputStream.fill(Unknown Source)
at java.io.BufferedInputStream.read1(Unknown Source)
at java.io.BufferedInputStream.read(Unknown Source)
at java.io.DataInputStream.readFully(Unknown Source)
at com.sun.imageio.plugins.png.PNGImageReader.decodePass(Unknown Source)
at com.sun.imageio.plugins.png.PNGImageReader.decodeImage(Unknown Source) ...
ERROR: Unable to read image file: E:/UE5_Projects/UE52DSideScroller/RawAssets/Photoshop/Puff/images/L_Lower_Leg.png
[error] Couldn't load dependencies of asset: E:/UE5_Projects/UE52DSideScroller/RawAssets/Photoshop/Puff/images/L_Lower_Leg.png
at s.qVn.S(_:119)
at s.qVn._(_:91)
at s.lpT4.S(_:577)
at s.lpT4.D(_:428)
at s.lpT4._(_:442)
at s.StQ._(_:87)
at s.ubH.B(_:977)
at s.FSW.D(_:458)
at s.SUa.run(_:267)
<events>
Cause: s.fpx: java.lang.RuntimeException: javax.imageio.IIOException: Error reading PNG image data
at s.sdp._(_:46)
at s.qVn.S(_:117) ...
Cause: [error] javax.imageio.IIOException: Error reading PNG image data
at s.YDu._(_:111)
at s.YDu._(_:25)
at s.qVn._(_:71)
at s.qVn._(_:35)
at s.SOV.call(_:64)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Cause: javax.imageio.IIOException: Error reading PNG image data
at com.sun.imageio.plugins.png.PNGImageReader.readImage(Unknown Source)
at com.sun.imageio.plugins.png.PNGImageReader.read(Unknown Source)
at s.QLb._(_:118)
at s.QLb._(_:168)
at s.YDu._(_:36) ...
Cause: [zip] incorrect data check
at java.util.zip.InflaterInputStream.read(Unknown Source)
at java.io.BufferedInputStream.fill(Unknown Source)
at java.io.BufferedInputStream.read1(Unknown Source)
at java.io.BufferedInputStream.read(Unknown Source)
at java.io.DataInputStream.readFully(Unknown Source)
at com.sun.imageio.plugins.png.PNGImageReader.decodePass(Unknown Source)
at com.sun.imageio.plugins.png.PNGImageReader.decodeImage(Unknown Source) ...
ERROR: Unable to read image file: E:/UE5_Projects/UE52DSideScroller/RawAssets/Photoshop/Puff/images/L_Upper_Leg.png
[error] Couldn't load dependencies of asset: E:/UE5_Projects/UE52DSideScroller/RawAssets/Photoshop/Puff/images/L_Upper_Leg.png
at s.qVn.S(_:119)
at s.qVn._(_:91)
at s.lpT4.S(_:577)
at s.lpT4.D(_:428)
at s.lpT4._(_:442)
at s.StQ._(_:87)
at s.ubH.B(_:977)
at s.FSW.D(_:458)
at s.SUa.run(_:267)
<events>
Cause: s.fpx: java.lang.RuntimeException: java.lang.RuntimeException: Unknown image format.
at s.sdp._(_:46)
at s.qVn.S(_:117) ...
Cause: [error] Unknown image format.
at s.YDu._(_:111)
at s.YDu._(_:25)
at s.qVn._(_:71)
at s.qVn._(_:35)
at s.SOV.call(_:64)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Cause: [error] Unknown image format.
at s.QLb._(_:64)
at s.QLb._(_:168)
at s.YDu._(_:36) ...
ERROR: Unable to read image file: E:/UE5_Projects/UE52DSideScroller/RawAssets/Photoshop/Puff/images/Butt.png
[error] Couldn't load dependencies of asset: E:/UE5_Projects/UE52DSideScroller/RawAssets/Photoshop/Puff/images/Butt.png
at s.qVn.S(_:119)
at s.qVn._(_:91)
at s.lpT4.S(_:577)
at s.lpT4.D(_:428)
at s.lpT4._(_:442)
at s.StQ._(_:87)
at s.ubH.B(_:977)
at s.FSW.D(_:458)
at s.SUa.run(_:267)
<events>
Cause: s.fpx: java.lang.RuntimeException: java.lang.RuntimeException: Unknown image format.
at s.sdp._(_:46)
at s.qVn.S(_:117) ...
Cause: [error] Unknown image format.
at s.YDu._(_:111)
at s.YDu._(_:25)
at s.qVn._(_:71)
at s.qVn._(_:35)
at s.SOV.call(_:64)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Cause: [error] Unknown image format.
at s.QLb._(_:64)
at s.QLb._(_:168)
at s.YDu._(_:36) ...
ERROR: Unable to read image file: E:/UE5_Projects/UE52DSideScroller/RawAssets/Photoshop/Puff/images/R_Thigh_1.png
[error] Couldn't load dependencies of asset: E:/UE5_Projects/UE52DSideScroller/RawAssets/Photoshop/Puff/images/R_Thigh_1.png
at s.qVn.S(_:119)
at s.qVn._(_:91)
at s.lpT4.S(_:577)
at s.lpT4.D(_:428)
at s.lpT4._(_:442)
at s.StQ._(_:87)
at s.ubH.B(_:977)
at s.FSW.D(_:458)
at s.SUa.run(_:267)
<events>
Cause: s.fpx: java.lang.RuntimeException: java.lang.RuntimeException: Unknown image format.
at s.sdp._(_:46)
at s.qVn.S(_:117) ...
Cause: [error] Unknown image format.
at s.YDu._(_:111)
at s.YDu._(_:25)
at s.qVn._(_:71)
at s.qVn._(_:35)
at s.SOV.call(_:64)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Cause: [error] Unknown image format.
at s.QLb._(_:64)
at s.QLb._(_:168)
at s.YDu._(_:36) ...
ERROR: Unable to read image file: E:/UE5_Projects/UE52DSideScroller/RawAssets/Photoshop/Puff/images/L_Lower_Leg.png
[error] Couldn't load dependencies of asset: E:/UE5_Projects/UE52DSideScroller/RawAssets/Photoshop/Puff/images/L_Lower_Leg.png
at s.qVn.S(_:119)
at s.qVn._(_:91)
at s.lpT4.S(_:577)
at s.lpT4.D(_:428)
at s.lpT4._(_:442)
at s.StQ._(_:87)
at s.ubH.B(_:977)
at s.FSW.D(_:458)
at s.SUa.run(_:267)
<events>
Cause: s.fpx: java.lang.RuntimeException: javax.imageio.IIOException: Error reading PNG image data
at s.sdp._(_:46)
at s.qVn.S(_:117) ...
Cause: [error] javax.imageio.IIOException: Error reading PNG image data
at s.YDu._(_:111)
at s.YDu._(_:25)
at s.qVn._(_:71)
at s.qVn._(_:35)
at s.SOV.call(_:64)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Cause: javax.imageio.IIOException: Error reading PNG image data
at com.sun.imageio.plugins.png.PNGImageReader.readImage(Unknown Source)
at com.sun.imageio.plugins.png.PNGImageReader.read(Unknown Source)
at s.QLb._(_:118)
at s.QLb._(_:168)
at s.YDu._(_:36) ...
Cause: [zip] incorrect data check
at java.util.zip.InflaterInputStream.read(Unknown Source)
at java.io.BufferedInputStream.fill(Unknown Source)
at java.io.BufferedInputStream.read1(Unknown Source)
at java.io.BufferedInputStream.read(Unknown Source)
at java.io.DataInputStream.readFully(Unknown Source)
at com.sun.imageio.plugins.png.PNGImageReader.decodePass(Unknown Source)
at com.sun.imageio.plugins.png.PNGImageReader.decodeImage(Unknown Source) ...
I have no idea what the problem was. I saved the PS project as a new file, loaded it, ran the script and everything worked fine.