CM solution - Issue while generating letter

[sonya1]

Hi,

Can anyone help me.

Am trying to generator letter while letter is loading an error is displayed. below is the screenshot

Also, Console error logs

{icc_dc} info    @15:03:24 > PDF initialized -- checking FormBridge version...

{icc_dc} info    @15:03:24 > FB version is supported: cm1.0

{icc_dc} info    @15:03:24 > retrieving root subform name to enable FormBridge Extensions...

{icc_dc} info    @15:03:25 > FB successfully connected to the PDF with root subform name 'handleManualLettersReq'

{icc_dc} ERROR   @15:03:25 > Error in resolving Letter : {fault code: fault, errId: 0, info: failed to get Data SOM expressions for fields in the letter, detail: {FormBridgeError errorCode: failure, id: 0, message: invalid SOM expression: did not resolve to a form object!}}

{icc_dc} ERROR   @15:03:25 > Error in letter Init{fault code: fault, errId: 0, info: failed to get Data SOM expressions for fields in the letter, detail: {FormBridgeError errorCode: failure, id: 0, message: invalid SOM expression: did not resolve to a form object!}}

{icc_dc} info    @15:03:25 > [RPC Fault faultString="failed to get Data SOM expressions for fields in the letter" faultCode="fault" faultDetail="{FormBridgeError errorCode: failure, id: 0, message: invalid SOM expression: did not resolve to a form object!}"]

Can anyone help me? Its urgent