“unrecognized selector sent to instance” error in Objective-C

It looks like you’re not memory managing the view controller properly and it is being deallocated at some point – which causes the numberButtonClicked: method to be sent to another object that is now occupying the memory that the view controller was previously occupying…

Make sure you’re properly retaining/releasing your view controller.

Related Posts:

  1. Xcode build failure “Undefined symbols for architecture x86_64”
  2. Using prevNext Modx Addon
  3. :wq! command in vim
  4. how to set the background color of the status bar during the launching phase [duplicate]
  5. api-ms-win-crt-runtime-l1-1-0.dll is missing when opening Microsoft Office file [closed]
  6. When is K 1024 and when is it 1000?
  7. What is a MIME type?
  8. Logitech/LGHUB Lua – Loop with break
  9. are there dictionaries in javascript like python?
  10. How can I convert MP3 file to a Base64 encoded string? [closed]
  11. Understanding The Modulus Operator %
  12. Understanding the main method of python [duplicate]
  13. Dial pad to get phone number (with Android button images)
  14. TypeError: only integer scalar arrays can be converted to a scalar index with 1D numpy indices array
  15. How is the AND/OR operator represented as in Regular Expressions?
  16. TypeError: only integer scalar arrays can be converted to a scalar index with 1D numpy indices array
  17. Istio Ingress resulting in “no healthy upstream”
  18. Why is it not possible to fake an IP address?
  19. How to open a “-” dashed filename using terminal?
  20. Substring in excel
  21. What is a LAMP stack?
  22. What is a sanity test/check
  23. What is the difference between POST and PUT in HTTP?
  24. What is the difference between POST and PUT in HTTP?
  25. How to find Google’s IP address?
  26. What exactly is a VBO in OpenGL?
  27. What and where are the stack and heap?
  28. ping response “Request timed out.” vs “Destination Host unreachable”
  29. Authentication versus Authorization
  30. What is a reverse shell?
  31. How does npm start work? What all processes are happening in the background?
  32. What is an instance variable in Java?
  33. What is the := operator?
  34. What is tail recursion?
  35. Discord music bot not working
  36. What does “:=” mean in Pseudocode? [closed]
  37. Why am I getting error for apple-touch-icon-precomposed.png
  38. No results found on kibana -> discover
  39. What is Xpenology? Is it Linux related thing?
  40. Why do we need virtual functions in C++?
  41. What is a CSRF token? What is its importance and how does it work?
  42. Create blank image in Imagemagick
  43. Official definition of CSCI (Computer Software Configuration Item)
  44. How could I ping @here in Discord.py?
  45. Python Math – TypeError: ‘NoneType’ object is not subscriptable
  46. What does %>% mean in R [duplicate]
  47. super() in Java
  48. Visual List of iOS Fonts?
  49. What is useState() in React?
  50. TCP vs UDP – What is a TCP connection? [duplicate]
  51. How do I copy folder with files to another folder in Unix/Linux? [closed]
  52. ssh : Permission denied (publickey,gssapi-with-mic)
  53. Eclipse IDE for Java – Full Dark Theme
  54. Amazon Linux: apt-get: command not found
  55. Google Calendar API event insert always return 404 “not found” error
  56. ssh connect Permission denied (publickey,gssapi-keyex,gssapi-with-mic,password)
  57. What’s the syntax for mod in java
  58. What does the Java assert keyword do, and when should it be used?
  59. How to get rid of the “No bootable medium found!” error in Virtual Box? [closed]
  60. How do I fix a “Expected Primary-expression before ‘)’ token” error?
  61. Using getline() with file input in C++
  62. STDERR? What is it? What are its common uses?
  63. UML Sequence diagram auto-numbering in Visual Paradigm
  64. Error in “MLSD” command While Connecting FTP to Server [closed]
  65. Java default constructor
  66. How do I make a delay in Java?
  67. Casting variables in Java
  68. Handling file renames in Git
  69. PermissionError: [Errno 13] in Python
  70. Why are there two ways to unstage a file in Git?
  71. ‘git’ is not recognized as an internal or external command
  72. did you specify the right host or port? error on Kubernetes
  73. Compiler Error “void value not ignored as it ought to be” in C programming [duplicate]
  74. How does Java’s PriorityQueue differ from a min-heap?
  75. What is archive mode in rsync?
  76. How to get Twitch watchtime (like streamelements)
  77. What is the difference between functional and non-functional requirements?
  78. how to use cookie-free domains (yslow)
  79. How to accept space in regex?
  80. Exception in thread “AWT-EventQueue-0” java.lang.NullPointerException Error
  81. Is a wildcard CNAME DNS record valid?
  82. What is a Memory Heap?
  83. 403 Forbidden vs 401 Unauthorized HTTP responses
  84. Turn off pager for psql’s interactive output
  85. Advanced AREL or just Rails Query for has_many through search by association
  86. File extension .DB – What kind of database is it exactly?
  87. Mealy v/s. Moore
  88. How to resolve “The requested URL was rejected. Please consult with your administrator.”
  89. What does “xmlns” in XML mean?
  90. Error 6 (net::ERR_FILE_NOT_FOUND): The files c or directory could not be found
  91. “If not” condition statement in python
  92. ‘git’ is not recognized as an internal or external command
  93. How do I get my C# program to sleep for 50 msec?
  94. What is an idiomatic way of representing enums in Go?
  95. C compiler for Windows?
  96. warning javax.* types are not being woven because the weaver option ‘-Xset:weaveJavaxPackages=true’ has not been specified
  97. what is gitpod: what does it actually do?
  98. Different between ./ , ../ , ../../ , ~/ on file path(URL) in asp.net
  99. What is JNDI? What is its basic use? When is it used?
  100. Why the range of int is -32768 to 32767?

Leave a Comment

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)