Sudden warnings

I suddenly get warning I did not get before:

* The first two watchdog() parameters should be literal strings. There should be no variables, concatenation, constants or even a t() call there. At watchdog('uc_credit',$message,WATCHDOG_ERROR) in payment/uc_credit/uc_credit.module on line 884.
* The first two watchdog() parameters should be literal strings. There should be no variables, concatenation, constants or even a t() call there. At watchdog('uc_cybersource',$error,WATCHDOG_ERROR) in payment/uc_cybersource/uc_cybersource.module on line 372.
* The first two watchdog() parameters should be literal strings. There should be no variables, concatenation, constants or even a t() call there. At watchdog('google',check_plain($response_obj->error),NULL,WATCHDOG_ERROR) in payment/uc_google_checkout/uc_google_checkout.module on line 623.
* The first two watchdog() parameters should be literal strings. There should be no variables, concatenation, constants or even a t() call there. At watchdog('google',check_plain($error),NULL,WATCHDOG_ERROR) in payment/uc_google_checkout/uc_google_checkout.module on line 629.
* The first two watchdog() parameters should be literal strings. There should be no variables, concatenation, constants or even a t() call there. At watchdog('google',$message,NULL,WATCHDOG_ERROR) in payment/uc_google_checkout/uc_google_checkout.module on line 1034.
* The first two watchdog() parameters should be literal strings. There should be no variables, concatenation, constants or even a t() call there. At watchdog('uc_paypal',$error,NULL,WATCHDOG_ERROR) in payment/uc_paypal/uc_paypal.module on line 967.
* The first two watchdog() parameters should be literal strings. There should be no variables, concatenation, constants or even a t() call there. At watchdog('quote',$messages,NULL,WATCHDOG_WARNING) in shipping/uc_quote/uc_quote.module on line 404.
* The first two watchdog() parameters should be literal strings. There should be no variables, concatenation, constants or even a t() call there. At watchdog('quote','

'.print_r($quote_data,TRUE).'

',NULL,WATCHDOG_WARNING) in shipping/uc_quote/uc_quote.module on line 405.
* Invalid menu 'title' definition found in uc_catalog_menu(). Title and description keys of the menu array should be literal strings. In uc_catalog/uc_catalog.module on line 65.
* The first two watchdog() parameters should be literal strings. There should be no variables, concatenation, constants or even a t() call there. At watchdog('JSimpleXML','XML Parsing Error at '.$line.':'.$col.'. Error '.$code.': '.xml_error_string($code),WATCHDOG_ERROR) in uc_store/includes/simplexml.php on line 266.

Somebody can explain what is happening? Why suddenly the messages, one time and then no more? I normal user would see them too?