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Dynamo db type conversion error ValidationException: A value provided cannot be converted into a number

I have a dynamo DB query like this. Which I execute to add data to two different table and this question is the continuation of the first question. Using batchWriteItem in dynamodb

var createuser =
"RequestItems":
"users": [

"PutRequest":
Item:
"userid": "N": "usrid" ,
"role": "S": 'candidate' ,
"password": "S": vucrypt.encryptpass(pass)



],
"candidate": [

"PutRequest":
Item:
"fname":
"S": req.body.fname
,
"lname":
"S": req.body.lname
,
"location":
"S": req.body.location
,
"phone":
"S": req.body.phone
,
"ccode":
"S": req.body.ccode
,
"grad":
"S": req.body.grad
,
"pgrad":
"S": req.body.pgrad
,
"ograd":
"S": req.body.ograd
,
"experience":
"N": "10"
,
"linkedin":
"S": req.body.linkedin
,
"terms":
"S": tandc




]




When i excicute this code i am getting an error like this.

ValidationException: A value provided cannot be converted into a number


I tried with this.

var exps = Number(exp);


But still, this error persist what can I do? any idea?

My code is like this.

dynamodb.batchWriteItem(createuser, function(err, regdata) );


1 Answer
1

All the values must be strings:

for example :

"fname":
"S": req.body.fname



req.body.fname must be a string

so just add

req.body.fname + ""


OR

req.body.fname.toString();

ValidationException: A value provided cannot be converted into a number

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