Thanks very much Kyle! It worked! As I could debug, the problem arised 
because of a non-closed bracket in an IF expression from another function. 
This seems consistent with your explanation that an error in a function 
returned an error in another one. Perhaps because the IF statement was not 
resolved. 
Anyway your hint helped a lot!
Many thanks and regards
Ricardo 

On Tuesday, November 24, 2015 at 10:30:31 PM UTC-3, Kyle wrote:
>
> I think one error in a {sql, javascript, groovy} function causes an error 
> in all functions in the same language.
>
> The "previous commands I ran from the Browse tab" part is perplexing but 
> here is what I would do for debugging:
>
> 1) test a non-javascript function to see if it works.
> 2) 
> comment out all the javascript functions
> check if a new simple function works.
> if it works, uncomment the javascript functions one by one to find the one 
> with the error.
>
>
> hope this helps.
>
> On Tuesday, November 24, 2015 at 5:03:46 PM UTC-8, Ricardo A. Pasquini 
> wrote:
>>
>> Dear all,
>> Hope you can help me with an error message that appears when executing 
>> functions from the Functions' Manager in Studio.
>> In the last days I have written several functions in Javascript that I 
>> was executing nicely from Studio, but suddently it stopped working.
>> No matter which Function I execute, I am obtaining exactly the same "Bad 
>> Request error". The error message is showing some previous commands I ran 
>> from the Browse tab, with no reference at all to the actual Function.
>> In order to show the problem, I wrote the simplest function as an 
>> example: 
>>
>>
>>
>>
>> <https://lh3.googleusercontent.com/-XdR1UpohV3o/VlUHIg7HA6I/AAAAAAAABQE/r3VABtccXSA/s1600/error400b.JPG>
>>
>> Here is the detail of the error, which include some previous querys I ran 
>> from the Browse tab. 
>>
>> {
>>     "errors": [
>>         {
>>             "code": 400,
>>             "reason": "Bad request",
>>             "content": "ScriptManager: error <eval>:58:7 Expected ; but 
>> found yearmonth\r\nselect yearmonth.substring(0, 4), yearmonth.right(2) 
>> from yearmonth\r\n       ^ in <eval> at line number 58 at column number 
>> 7.\nFunction randomedges(nombreclase,nombreclaseedges):\n\n  53: \n  54: 
>> //selection of months\n  55: var text=\"insert into yearmonth from select 
>> from (select from (select distinct(createdat1.format('yyyy-MM')) as 
>> yearmonth from Rolein) order by yearmonth)\";\n  56: var 
>> yearmonth=g.command(\"sql\",text);\n  57: \n  58: >>> select 
>> yearmonth.substring(0, 4), yearmonth.right(2) from yearmonth\n  59: \n  60: 
>> g.command(\"sql\",\"UPDATE yearmonth SET year=yearmonth.substring(0, 
>> 4)\")\n  61: g.command(\"sql\",\"UPDATE yearmonth SET 
>> month=yearmonth.right(2)\")\n  62: \n  63: }\n"
>>         }
>>     ]
>> }
>>
>>
>> If the problem is somewhat related with the ScriptManager, is there a way 
>> to reset it in someway? I have already restarted my browser, also tried by 
>> restarting the server, but the problem remains.
>> Thanks in advance,
>> Ricardo
>>
>

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