A PHP Error was encountered

Severity: Warning

Message: Undefined array key 0

Filename: models/Tracker.php

Line Number: 83

Backtrace:

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 83
Function: _error_handler

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 48
Function: update_tkuser

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 40
Function: initiate_tracker

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 31
Function: createtables

File: /var/www/html/hscictbook/application/controllers/Welcome.php
Line: 7
Function: __construct

File: /var/www/html/hscictbook/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Attempt to read property "utime" on null

Filename: models/Tracker.php

Line Number: 83

Backtrace:

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 83
Function: _error_handler

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 48
Function: update_tkuser

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 40
Function: initiate_tracker

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 31
Function: createtables

File: /var/www/html/hscictbook/application/controllers/Welcome.php
Line: 7
Function: __construct

File: /var/www/html/hscictbook/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Undefined array key 0

Filename: models/Tracker.php

Line Number: 84

Backtrace:

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 84
Function: _error_handler

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 48
Function: update_tkuser

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 40
Function: initiate_tracker

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 31
Function: createtables

File: /var/www/html/hscictbook/application/controllers/Welcome.php
Line: 7
Function: __construct

File: /var/www/html/hscictbook/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Attempt to read property "actime" on null

Filename: models/Tracker.php

Line Number: 84

Backtrace:

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 84
Function: _error_handler

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 48
Function: update_tkuser

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 40
Function: initiate_tracker

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 31
Function: createtables

File: /var/www/html/hscictbook/application/controllers/Welcome.php
Line: 7
Function: __construct

File: /var/www/html/hscictbook/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Undefined array key 0

Filename: models/Tracker.php

Line Number: 85

Backtrace:

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 85
Function: _error_handler

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 48
Function: update_tkuser

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 40
Function: initiate_tracker

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 31
Function: createtables

File: /var/www/html/hscictbook/application/controllers/Welcome.php
Line: 7
Function: __construct

File: /var/www/html/hscictbook/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Attempt to read property "active" on null

Filename: models/Tracker.php

Line Number: 85

Backtrace:

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 85
Function: _error_handler

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 48
Function: update_tkuser

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 40
Function: initiate_tracker

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 31
Function: createtables

File: /var/www/html/hscictbook/application/controllers/Welcome.php
Line: 7
Function: __construct

File: /var/www/html/hscictbook/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /var/www/html/hscictbook/system/core/Exceptions.php:272)

Filename: core/Common.php

Line Number: 571

Backtrace:

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 93
Function: update

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 48
Function: update_tkuser

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 40
Function: initiate_tracker

File: /var/www/html/hscictbook/application/models/Tracker.php
Line: 31
Function: createtables

File: /var/www/html/hscictbook/application/controllers/Welcome.php
Line: 7
Function: __construct

File: /var/www/html/hscictbook/index.php
Line: 315
Function: require_once

A Database Error Occurred

Error Number: 1048

Column 'actime' cannot be null

UPDATE `tk_users` SET `active` = 1, `actime` = NULL, `utime` = '2022-12-09 01:15:32' WHERE `tuid` = 341579

Filename: models/Tracker.php

Line Number: 93