Image problem

Gallery version: 2.3.1

Whenever I upload a picture into my gallery, the images don't show up. What did I do wrong? They were working for gallery 1. What can I do to fix this problem?

I really don't know how to give you the info. i just know my host uses linux and cpanel

Processing image 5743 of 5743

Memory used: 20674760, total: 32M

Continue...

Debug output for failed items:
file_exists(/home/gdptvanh/public_html/gallery/g2data/cache/entity/6/8/6809.inc)
file_exists(/home/gdptvanh/public_html/gallery/g2data/cache/derivative/6/8/6809.dat)
file_exists(/home/gdptvanh/public_html/gallery/g2data/cache/entity/6/8/6807.inc)
getParameter lock.system for core plugin
file_exists(/home/gdptvanh/public_html/gallery/g2data/cache/module/core/0/0/0.inc)
fopen(/home/gdptvanh/public_html/gallery/g2data/locks/6809, wb+, 0)
flock(Resource id #1575, 6, )
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(mysqlt): SELECT g_id, g_entityType FROM g2_Entity WHERE g_id IN (6809)

--------------------------------------------------------------------------------

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(mysqlt): SELECT g2_Schema.g_info FROM g2_PluginMap, g2_Schema
WHERE g2_PluginMap.g_pluginId = g2_Schema.g_pluginId
AND g2_Schema.g_type = 'entity' AND g2_PluginMap.g_active = 1
--------------------------------------------------------------------------------

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(mysqlt): SELECT g2_DerivativeImage.g_width, g2_DerivativeImage.g_height,
g2_Derivative.g_derivativeSourceId, g2_Derivative.g_derivativeOperations,
g2_Derivative.g_derivativeOrder, g2_Derivative.g_derivativeSize,
g2_Derivative.g_derivativeType, g2_Derivative.g_mimeType,
g2_Derivative.g_postFilterOperations, g2_Derivative.g_isBroken,
g2_ChildEntity.g_parentId, g2_Entity.g_id, g2_Entity.g_creationTimestamp,
g2_Entity.g_isLinkable, g2_Entity.g_linkId,
g2_Entity.g_modificationTimestamp, g2_Entity.g_serialNumber,
g2_Entity.g_entityType, g2_Entity.g_onLoadHandlers FROM g2_DerivativeImage,
g2_Derivative, g2_ChildEntity, g2_Entity WHERE g2_DerivativeImage.g_id IN
(6809) AND g2_Derivative.g_id=g2_DerivativeImage.g_id AND
g2_ChildEntity.g_id=g2_DerivativeImage.g_id AND
g2_Entity.g_id=g2_DerivativeImage.g_id
--------------------------------------------------------------------------------

file_exists(/home/gdptvanh/public_html/gallery/g2data/cache/derivative/6/8)
is_dir(/home/gdptvanh/public_html/gallery/g2data/cache/derivative/6/8)
file_exists(/home/gdptvanh/public_html/gallery/modules/dcraw/classes/DcrawToolkit.class)
file_exists(/home/gdptvanh/public_html/gallery/modules/getid3/classes/Getid3Toolkit.class)
file_exists(/home/gdptvanh/public_html/gallery/modules/jpegtran/classes/JpegtranToolkit.class)
file_exists(/home/gdptvanh/public_html/gallery/modules/linkitem/classes/LinkItemToolkit.class)
file_exists(/home/gdptvanh/public_html/gallery/modules/thumbnail/classes/ThumbnailToolkit.class)
file_exists(/home/gdptvanh/public_html/gallery/g2data/cache/entity/6/5/6518.inc)
file_exists(/home/gdptvanh/public_html/gallery/g2data/cache/entity/0/3/30.inc)
file_exists(/home/gdptvanh/public_html/gallery/g2data/cache/entity/0/0/7.inc)
--------------------------------------------------------------------------------
(mysqlt):
SELECT
g2_TkOperatnMimeTypeMap.g_toolkitId,
g2_TkOperatnMap.g_outputMimeType
FROM
g2_TkOperatnMap,
g2_TkOperatnMimeTypeMap
WHERE
g2_TkOperatnMap.g_name =
g2_TkOperatnMimeTypeMap.g_operationName
AND
g2_TkOperatnMimeTypeMap.g_mimeType = 'image/jpeg'
AND
g2_TkOperatnMap.g_name = 'scale'
ORDER BY
g2_TkOperatnMimeTypeMap.g_priority ASC

--------------------------------------------------------------------------------

realpath(/home/gdptvanh/public_html/gallery/modules/core/classes/../../../)
realpath(/home/gdptvanh/public_html/gallery/)
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(mysqlt): SET NAMES "utf8"
--------------------------------------------------------------------------------

--------------------------------------------------------------------------------
(mysqlt): update g2_SequenceEventLog set id=LAST_INSERT_ID(id+1);
--------------------------------------------------------------------------------

--------------------------------------------------------------------------------
(mysqlt): SELECT g2_Schema.g_info FROM g2_PluginMap, g2_Schema
WHERE g2_PluginMap.g_pluginId = g2_Schema.g_pluginId
AND g2_Schema.g_type = 'map' AND g2_PluginMap.g_active = 1
--------------------------------------------------------------------------------

--------------------------------------------------------------------------------
(mysqlt): UPDATE g2_EventLogMap SET g_userId=6, g_type='Image Error',
g_summary='Unable to build image', g_details='Error
(ERROR_UNSUPPORTED_OPERATION) : scale image/jpeg <b>in</b>
modules/core/classes/GalleryDerivative.class <b>at line</b> 428
(GalleryCoreApi::error) \n<b>in</b>
modules/core/classes/GalleryDerivative.class <b>at line</b> 274
(GalleryDerivative::_rebuildCache) \n<b>in</b>
modules/core/classes/GalleryDerivativeImage.class <b>at
line</b> 153 (GalleryDerivative::rebuildCache)
\n<b>in</b>
modules/core/classes/helpers/GalleryDerivativeHelper_advanced.class
<b>at line</b> 844 (GalleryDerivativeImage::rebuildCache)
\n<b>in</b> modules/core/classes/GalleryCoreApi.class
<b>at line</b> 997
(GalleryDerivativeHelper_advanced::rebuildCache) \n<b>in</b>
modules/core/classes/helpers/GalleryDerivativeHelper_simple.class
<b>at line</b> 50 (GalleryCoreApi::rebuildDerivativeCache)
\n<b>in</b> modules/core/classes/GalleryCoreApi.class
<b>at line</b> 984
(GalleryDerivativeHelper_simple::rebuildCacheIfNotCurrent)
\n<b>in</b> modules/core/classes/BuildDerivativesTask.class
<b>at line</b> 113