# NSInvalidArgumentException \*\*\* -\[\_NSPlaceholderData initWithContentsOfURL:options:maxLength:error:\]: nil URL argument **URL:** \ **Category:** RapidWeaver Classic\ **Created:** [July 15, 2019, 9:51am UTC](https://forums.realmacsoftware.com/t/nsinvalidargumentexception-nsplaceholderdata-initwithcontentsofurlmaxlength-nil-url-argument/27845 "2019-07-15T09:51:48Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![Winventor](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/winventor/32/3041_2.png) [@Winventor](https://forums.realmacsoftware.com/u/Winventor)\ **Post date:** [July 15, 2019, 9:51am UTC](https://forums.realmacsoftware.com/t/nsinvalidargumentexception-nsplaceholderdata-initwithcontentsofurlmaxlength-nil-url-argument/27845/1 "2019-07-15T09:51:48Z")
In an old exiting project where in the earlier version of Formloom different forms were made. Uploaded several times, with no problems. The last time the upload took place in 2018. I want to upload the same, not changed, project, with a update to formloom 4 and new rapidweaver version. The project still looks good and is functioning. After pushing the button publish, the software is busy (possibly converting) and after several seconds i get an error in a popup: **NSInvalidArgumentException** \*\*\*\*\* -[\_NSPlaceholderData initWithContentsOfURL:options:maxLength:error:]: nil URL argument We suspect this is caused by a plugin, please notify the developer of this problem.\*\* **FormLoom 4 (4.0.9 (490)) from Yabdab Inc.** In the popup window there are 22 rows: 0 CoreFoundation 0x00007fff407c3e39 \_\_exceptionPreprocess + 256 1 libobjc.A.dylib 0x00007fff6af103c6 objc\_exception\_throw + 48 2 CoreFoundation 0x00007fff407c3c6b +[NSException raise:format:] + 193 3 Foundation 0x00007fff429beac9 -[NSData(NSData) initWithContentsOfURL:options:maxLength:error:] + 115 4 Foundation 0x00007fff429c5111 +[NSData(NSData) dataWithContentsOfURL:options:error:] + 61 5 FormLoom 0x0000000107e1a1ec -[YDFormLoomPlugin getFileData:] + 284 6 FormLoom 0x0000000107e19dd3 -[YDFormLoomPlugin extraFilesNeededInExportFolder:] + 4675 7 RWKit 0x000000010191280d -[RWExporter \_pageSpecificFilesForPlugin:params:] + 364 8 RWKit 0x000000010191434b -[RWExporter \_exportPage:subPagePath:toPath:inRoot:usingName:] + 6815 9 RWKit 0x0000000101926674 -[RWExporter \_exportPage:subPagePath:toPath:inRoot:usingName:includingChildren:] + 279 10 RWKit 0x00000001019277e7 \_\_45-[RWExporter \_exportPages:toPath:completion:]\_block\_invoke + 90 11 Foundation 0x00007fff429c855c **NSBLOCKOPERATION\_IS\_CALLING\_OUT\_TO\_A\_BLOCK** + 7 12 Foundation 0x00007fff429c8464 -[NSBlockOperation main] + 68 13 Foundation 0x00007fff4299e1dd -[\_\_NSOperationInternal \_start:] + 685 14 Foundation 0x00007fff429c8197 \_\_NSOQSchedule\_f + 227 15 libdispatch.dylib 0x00007fff6c6875f8 \_dispatch\_call\_block\_and\_release + 12 16 libdispatch.dylib 0x00007fff6c68863d \_dispatch\_client\_callout + 8 17 libdispatch.dylib 0x00007fff6c68ade6 \_dispatch\_continuation\_pop + 414 18 libdispatch.dylib 0x00007fff6c68a4a3 \_dispatch\_async\_redirect\_invoke + 703 19 libdispatch.dylib 0x00007fff6c6963bc \_dispatch\_root\_queue\_drain + 324 20 libdispatch.dylib 0x00007fff6c696b46 \_dispatch\_worker\_thread2 + 90 21 libsystem\_pthread.dylib 0x00007fff6c8c86b3 \_pthread\_wqthread + 583 22 libsystem\_pthread.dylib 0x00007fff6c8c83fd start\_wqthread + 13 And the software stopped and nothing was uploaded. Please can you help me. (i asked yabdab and still no solved problem). Note: I deleted the plugin pluskit, i stopped the plugins: Linkinspector 1.9.2, Sitemap 3.1.1 from yourhead Resize pictures is off I use formloom 4.0.0 (490) and more plugins (all updated) and rapidweaver 8.2.1 (20758) Can anyone help me. ---
**Author:** ![robbeattie](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/robbeattie/32/78_2.png) [@robbeattie](https://forums.realmacsoftware.com/u/robbeattie)\ **Post date:** [July 15, 2019, 11:47am UTC](https://forums.realmacsoftware.com/t/nsinvalidargumentexception-nsplaceholderdata-initwithcontentsofurlmaxlength-nil-url-argument/27845/2 "2019-07-15T11:47:14Z")
One for @yabdab? ---
**Author:** ![yabdab](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/yabdab/32/26154_2.png) [@yabdab](https://forums.realmacsoftware.com/u/yabdab)\ **Post date:** [July 15, 2019, 12:24pm UTC](https://forums.realmacsoftware.com/t/nsinvalidargumentexception-nsplaceholderdata-initwithcontentsofurlmaxlength-nil-url-argument/27845/3 "2019-07-15T12:24:58Z")
Send is a support ticket. Thanks. ---
**Author:** ![system](https://dub1.discourse-cdn.com/flex005/user_avatar/forums.realmacsoftware.com/system/32/25301_2.png) [@system](https://forums.realmacsoftware.com/u/system)\ **Post date:** [August 14, 2019, 10:25pm UTC](https://forums.realmacsoftware.com/t/nsinvalidargumentexception-nsplaceholderdata-initwithcontentsofurlmaxlength-nil-url-argument/27845/4 "2019-08-14T22:25:03Z")
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