Undefined symbols for architecture i386: _OBJC_CLASS_$_SKPSMTPMessage", referenced from: error

user_871079 0
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I have imported framework for sending email from application in background i.e. SKPSMTPMessage Framework. Can somebody suggest why below error is shown

Undefined symbols for architecture i386:

"_OBJC_CLASS_$_SKPSMTPMessage", referenced from:
  objc-class-ref in ConfirmController.o

"_kSKPSMTPPartContentTransferEncodingKey", referenced from:
  -[ConfirmController sendEmail] in ConfirmController.o

"_kSKPSMTPPartMessageKey", referenced from:
  -[ConfirmController sendEmail] in ConfirmController.o

"_kSKPSMTPPartContentTypeKey", referenced from:
  -[ConfirmController sendEmail] in ConfirmController.o

ld: symbol(s) not found for architecture i386
collect2: ld returned 1 exit status

Source from which framework is taken:-

Locking the Fields in MFMailComposeViewController

Update:

Answer:Just drag and drop folder over the project and click copy. Thats it select project check box and target check box as well.

compiler-errors objective-c iphone email ios
35 Answers

Yeah this is related to what allen said... look for TargetMembership in Utilities section of the source file. there is a checkbox that associates that file to a project. Checking this solved this issue for me too.

user_4018960

Change in active architecture worked for me, One of my lib was using i386.

In build settings >> change Build Active Architecture Only to Yes from NO

It worked for me. Hope it helps to others as well.

enter image description here

user_40612890

Just enable the "Build Active Architecture Only" option

in PROJECT >> Build Settings >> Build Active Architecture Only >> Yes

screenshot of the path to the configuration

remember to check if they are also enabled in each target

user_44073080
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